Chip ETF's Summer of Extremes: From Fed Jitters to Amazon's $220 Billion AI Bet

AI-driven chip rally reverses sharply: iShares Global Semis ETF down 18% in 30 days amid Fed rate-hike signals and China memory-chip expansion.

The iShares MSCI Global Semiconductors UCITS ETF closed Friday at 16.27 euros, a modest 0.35 percent gain on the day. Yet that small uptick masks a week of violent swings that have left investors in the fund grasping for stability. Over the past seven sessions, the ETF has shed 5.77 percent, and the 30-day picture is even bleaker at minus 18.02 percent. Still, the fund remains 70.05 percent higher year-to-date — a reminder of just how far the AI-driven rally had carried semiconductor stocks before the tide turned.

Washington's hawkish turn rattles the sector

The trouble began in earnest with the Federal Reserve's latest policy decision. The central bank held its benchmark rate range at 3.5 to 3.75 percent on Wednesday, a move markets had anticipated. But the accompanying rhetoric told a different story. Three Federal Open Market Committee members — Lorie Logan of Dallas, Beth Hammack of Cleveland and Neel Kashkari of Minneapolis — dissented in favor of tighter policy, and Governor Christopher Waller signaled sympathy with that view.

Markets read the tone as far more restrictive than expected. The Dow Jones Industrial Average tumbled 1,153 points, closing 2.19 percent lower at 51,594 — its worst session since April 2025. The S&P 500 slipped 1.52 percent, while the Nasdaq Composite fell 1.74 percent, pushing it more than 10 percent below its all-time high.

Semiconductor names absorbed the brunt of the damage. The iShares Semiconductor ETF (SOXX) dropped 5.5 percent, extending a losing streak to five consecutive sessions. Rising bond yields compounded the pressure: the 10-year Treasury yield jumped 7 basis points to above 4.67 percent, while the 30-year yield climbed 10 basis points to surpass 5.2 percent. For growth-heavy, richly valued chip stocks, higher discount rates are a double-edged sword — they erode the present value of future earnings and raise borrowing costs for capital-intensive manufacturers.

The policy shift is more than a blip. Under the new Fed leadership, nine of 18 officials now back rate increases for 2026 — a stark reversal from March, when none did. That pivot has replaced pure AI demand euphoria as the primary driver of semiconductor valuations.

China's memory-chip ambitions add another layer

Monetary policy wasn't the only headwind. ChangXin Memory Technologies (CXMT), China's state-backed memory chip maker, is set to debut on the Shanghai exchange the week of July 27. The listing stoked concerns that Beijing is scaling up domestic memory production quickly enough to put genuine pricing pressure on global suppliers. Micron Technology fell more than 8 percent in the same session, while equipment makers Lam Research and KLA Corporation each gave up around 3 percent.

The combination of a hawkish Fed and Chinese competition accelerated a sell-off that was already underway. Since late June, the sector has experienced one of the most concentrated institutional exits in years, with the SOX index now down more than 20 percent from its 52-week high.

The rebound: Amazon's capex surprise

Just days after the rout, however, came one of the sharpest reversals in recent memory. Amazon delivered the spark on Friday, beating expectations and lifting its 2026 AI infrastructure investment plans to $220 billion from a previously planned $200 billion. AWS posted robust growth, and memory and chip names including Micron, SanDisk, AMD and Intel all advanced in pre-market trading.

The momentum had built the day before. Strong results from Microsoft, Samsung and Lam Research had already set the stage for a recovery. The moves were dramatic: Micron and SanDisk each surged 18.4 percent and 26 percent respectively in a single session, and the S&P 500's technology sector posted its biggest one-day gain since April 2025, rising nearly 5 percent.

The rebound followed a brutal stretch that saw AMD lose roughly $110 billion in market value and Taiwan Semiconductor Manufacturing (TSMC) shed $119 billion. Morningstar's chief equity strategist characterized the decline primarily as a sentiment phenomenon rather than a fundamental deterioration, pointing to fears about the durability of the AI investment cycle and intensifying competition from China.

Asian suppliers felt the pain most acutely. SK Hynix at one point plunged 14.65 percent, and Samsung Electronics lost more than 13 percent. European equipment makers weren't spared either: ASML fell over 8 percent following reports of a Chinese immersion lithography machine — technology where ASML has long held dominance.

Earnings season added to the jitters. Qualcomm disappointed with mixed quarterly results, posting earnings per share of $2.21 against analyst estimates of $2.23, sending the stock down more than 7 percent.

A fund caught between extremes

The ETF's chart tells the story of a sector that ran too far, too fast. The fund sits 12.35 percent below its 50-day moving average of 18.57 euros, yet remains 24.83 percent above its 200-day average of 13.04 euros — evidence of how extended the rally had become. The relative strength index at 41.6 points to neutral-weak momentum rather than oversold conditions, while annualized 30-day volatility of 67.79 percent suggests the turbulence is far from over.

At 24.51 percent below its 52-week high of 21.52 euros, reached on June 22, 2026, the fund has given back a substantial portion of its gains. Its largest holdings — ASML, Taiwan Semiconductor and Micron — sit squarely at the intersection of the two forces driving this volatility: chip design leadership and memory manufacturing.

Divergent views on what comes next

The Friday bounce hasn't dispelled underlying nervousness. In the week ending June 24, roughly $11 billion flowed out of US semiconductor funds, according to LSEG Lipper — the largest weekly outflow this century. Yet Bank of America projects global cloud and AI infrastructure investment could reach nearly $1.5 trillion by 2027, a 40 to 50 percent increase year over year.

Strategists are split on how to read the moment. Aberdeen sees the sell-off as a buying opportunity, arguing valuations have become more attractive. Standard Chartered's chief investment officer for equities, meanwhile, points to analyst reports anticipating a peak in memory prices by 2027 — though he concedes the risk-reward profile has improved at current levels.

With more earnings reports on the horizon, the coming weeks should reveal whether the hyperscalers' spending commitments hold up. For now, the fund's fate hangs on two variables: the Fed's next move and how quickly China's memory chip capacity comes online.