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JPMorgan believes the semiconductor sector is becoming increasingly vulnerable to bouts of sharp volatility as investor positioning reaches elevated levels and valuations continue to stretch.

In a research note on Thursday, analyst Nikolaos Panigirtzoglou warned that rising volatility combined with concentrated exposure is “raising the risk of more frequent semiconductor ‘VaR shocks’ from here,” pointing to the early-June selloff as an example of how quickly market conditions can deteriorate.

The bank identified concentration as one of the biggest risks facing the sector. As semiconductor stocks occupy a larger share of global equity indices, Panigirtzoglou said their weight “can become binding for funds with self-imposed risk limits,” potentially triggering forced reductions in exposure during periods of stress.

Valuation is another area of concern. JPMorgan noted that semiconductor companies now command a market-capitalization-to-revenue ratio within global indices that exceeds six times, a level significantly higher than that of the Magnificent Seven stocks in the S&P 500 when Broadcom is substituted for Tesla.

The bank also highlighted a potential catalyst for volatility in the near term. End-of-quarter and end-of-month portfolio adjustments could result in roughly $165 billion flowing out of equities and into bonds, creating additional pressure on sectors that have become heavily owned by investors.

Outside equities, JPMorgan pointed to growing risks in digital assets. The bank observed that bitcoin mining profitability has become increasingly dependent on cryptocurrency prices, suggesting that a larger share of miners are operating close to break-even levels.

JPMorgan concluded that while concentration has historically supported momentum during powerful rallies, the semiconductor sector’s current combination of rich valuations, crowded positioning and elevated volatility leaves it increasingly exposed to sharper market swings.

The International Energy Agency has downgraded its forecast for global oil demand in 2026, pointing to prolonged supply disruptions in the Gulf region, while expecting conditions to improve steadily over the following year.

The agency now forecasts a decline of 1.1 million barrels per day in global oil demand next year, compared with its previous estimate for a reduction of 420,000 barrels per day. Higher energy costs and ongoing supply constraints were cited as the primary drivers behind the revision.

Demand is expected to recover in 2027, with the IEA projecting growth of 2 million barrels per day as trade routes reopen, supply chains stabilize and economic activity strengthens.

Diplomatic Progress Offers Hope for Energy Markets

The agency highlighted the preliminary agreement reached between Washington and Tehran as a major development in efforts to resolve the conflict.

A formal signing is expected later this week, and the IEA described the agreement as the most significant diplomatic breakthrough since hostilities began.

“While details of the deal have yet to be clarified and several issues remain outstanding, it is an encouraging step forward,” the IEA said. “A full recovery will not be immediate, however, as mines will have to be removed from the main shipping lanes and supply chains will take time to normalise.”

Crude Prices Extend Weekly Losses

Oil prices continued to retreat as traders responded to improving geopolitical sentiment.

Brent crude slipped below $80 per barrel, while WTI traded around $76. Brent has now fallen more than 8% this week and is trading at levels not seen since early March.

The decline reflects growing expectations that global energy supplies will gradually recover if the agreement proceeds as planned.

Supply Recovery Expected Next Year

The IEA forecasts global oil supply will fall by 3.9 million barrels per day in 2026, largely because significant volumes remain stranded in the Persian Gulf.

Roughly one-fifth of the world’s oil supply continues to be affected by the disruption, although the agency expects a substantial rebound next year as exports and shipping activity resume.

Production in May remained 13.6 million barrels per day below pre-conflict levels, while exports from Gulf producers were down 1.1 million barrels per day and almost 15 million barrels per day below February levels.

Inventory Drawdowns Highlight Market Tightness

Global oil stockpiles continued to shrink during May, declining by 143 million barrels.

Since the conflict began, inventories have been falling at an average rate of 3.8 million barrels per day, underscoring the pressure on available supplies.

Meanwhile, OECD government inventories fell by 163 million barrels, reaching their lowest level in more than three decades.

Despite signs of diplomatic progress, the agency indicated that rebuilding supply chains and restoring market balance will remain a gradual process.

The dominance of artificial intelligence stocks in global equity markets is drawing comparisons with the late stages of the dot-com boom, although KB Securities believes the trend may indicate continued strength rather than an imminent reversal.

Analyst Euntaek Lee said in a research note that current market conditions are “largely the same” as those witnessed in 1999, when investors overwhelmingly favored internet-related companies and largely ignored sectors with strong underlying earnings performance.

Lee pointed out that healthcare and financial stocks enjoyed robust earnings-driven gains in 2025 but “have been left out of the rally simply because they are not AI plays.”

The analyst also highlighted similarities in investor sentiment. During the dot-com bubble, stocks frequently rallied on announcements linked to internet strategies, regardless of their earnings prospects.

According to Lee, today’s AI market is exhibiting comparable behavior, with shares “skyrocketing on news of a visit by Jensen Huang, or a hint of forays into AI/robotics, despite the absence of related earnings.”

Rather than viewing the narrowing leadership as a clear signal of market exhaustion, Lee argued that concentration can often accompany the strongest phases of a bull market.

“History shows that, in many cases, rising concentration indicates that the market still has momentum,” he wrote.

Even so, the analyst cautioned that excessive concentration can eventually create vulnerabilities. He noted that “rally broadening is not necessarily healthy” and “may be a sign that the rally is approaching its end.”

For now, KB Securities expects leadership within equity markets to become even more concentrated, following a pattern commonly observed during the final stages of previous speculative booms.

Investor sentiment is approaching some of the strongest levels seen in recent years, but Bank of America believes the current environment does not yet point to a significant top in global risk assets.

The bank’s June Global Fund Manager Survey showed its Bull & Bear Indicator rising to 8.9, a level that traditionally generates a technical sell signal. Nevertheless, strategist Michael Hartnett noted that cash holdings increased modestly during the month, suggesting investors have not become excessively positioned.

Based on historical patterns, Hartnett said “this is not a ‘big top’ for risk assets,” and argued that a more meaningful turning point “will be signaled by bonds & voters.”

Economic Confidence Continues to Build

Fund managers expressed greater confidence in both economic growth and corporate earnings prospects, with expectations reaching their highest levels in three months.

At the same time, concerns about higher interest rates are increasing. Expectations for tighter monetary policy are now at their highest point since late 2022, while 40% of survey participants expect the Federal Reserve to raise rates over the next year.

Most respondents also expect Fed Chair Kevin Warsh to deliver a “hawkish hold” when policymakers conclude their latest meeting.

Portfolio Allocations Become More Defensive

Despite the optimistic outlook, investors made several adjustments to reduce risk exposure.

Global equity allocations were trimmed, technology positions were reduced and European stocks experienced their largest underweight positioning since late 2024.

In contrast, fund managers increased exposure to Japanese equities, banks and materials producers, while gold moved into the fair-value category for the first time in more than a year.

Inflation and AI Speculation Remain Key Risks

The survey identified inflation as the primary concern facing markets.

A potential “second wave inflation” scenario ranked as the top risk, while fears of an “AI bubble” remained firmly in second place.

Meanwhile, long positions in semiconductor stocks continue to dominate investor portfolios, with 80% of respondents describing the trade as overcrowded — the highest reading ever recorded by the survey.

Contrarian Investors May Find Opportunities Elsewhere

While investor enthusiasm remains elevated, Bank of America believes several overlooked areas could offer attractive opportunities.

The firm highlighted long-dated bonds, European equities and consumer-focused stocks as the most appealing contrarian trades as investors move into the summer period.

Broker Turns More Cautious on Earnings Outlook

Admiral Group (LSE:ADM) shares fell more than 4% on Friday after RBC Capital Markets lowered its recommendation on the insurer and reduced its price target, citing concerns that weakness in UK motor insurance pricing has yet to be fully reflected in earnings.

RBC downgraded the stock to “sector perform” from “outperform” and cut its 12-month price target to 3,450p from 3,560p. The valuation continues to be based on a target multiple of 14 times estimated FY2027 earnings per share.

The broker now expects group pre-tax profit to decline by 8% in 2026 compared with 2025, contrasting with management’s expectation of broadly stable profitability.

UK Motor Insurance Remains the Main Concern

RBC reduced its forecast for UK Motor pre-tax profit in 2026 by 5%, pointing to slower policy growth and the impact of less profitable business written in previous periods flowing through into earnings.

According to the broker, the first half of 2026 is “too soon to see the benefits of rate on margins or volumes,” as pricing reductions implemented during the first half of 2025 continue to affect results.

As a result, RBC increased its forecast for Admiral’s first-half 2026 combined ratio to 85.6%, up from its previous estimate of 83.6%. The company reported a combined ratio of 84.2% in the second half of 2025.

The analysts also noted that UK motor insurance prices rose 4.5% in the year to May, based on consumer price index data, but said this was “likely still lagging claims inflation.”

Meanwhile, the ABI Motor Price Index showed average premiums paid by customers were 4.9% lower year-on-year during the first quarter of 2026, marking the smallest decline since the beginning of 2025.

Including a 4% reduction made in March, RBC said cumulative cuts to its 2026 UK Motor pre-tax profit forecast now amount to roughly 10% so far this year.

International and Specialist Businesses Face Forecast Cuts

The broker also lowered its outlook for Admiral’s non-UK motor operations, cutting its 2026 pre-tax profit forecast for those businesses by 14%.

In the UK Travel and Pet divisions, RBC reduced its 2026 pre-tax profit estimate by 25% to £12 million, reflecting the expected impact of the Iran conflict on travel-related claims and rising veterinary costs.

Forecasts for Admiral’s international operations were also revised lower. Expected pre-tax profit in Italy was reduced to £8 million from £13 million, while the Spanish business is now projected to report a £1 million pre-tax loss.

Earnings and Dividend Expectations Revised Lower

RBC cut its earnings per share forecasts by 6% for 2026, 4% for 2027 and 2% for 2028.

These revisions imply a compound annual growth rate of 2.6% between 2025 and 2028, well below Admiral’s historical five-year EPS growth rate of 7.6% and beneath management’s long-term growth ambitions.

Dividend expectations were also lowered. RBC now forecasts dividends per share of 142p in 2026, 163p in 2027 and 173p in 2028.

Total shareholder returns are projected at 5.7%, 6.4% and 6.9% respectively across those years.

Stronger Growth Needed to Drive Re-Rating

RBC argued that a meaningful re-rating of the shares from current levels would likely require clearer evidence that UK motor insurance profitability is improving or that non-motor businesses are contributing more significantly to earnings.

The broker concluded that this would require “either evidence of a materially stronger turn in UK Motor, or a greater contribution from non-motor lines, which is unlikely until 2028.”