Economy July 16, 2026 12:33 AM

Chip Stocks Falter as Investors Question AI Capex Payback; TSMC Earnings Take Centre Stage

Volatility in Asian semiconductors drags markets amid geopolitical tensions and a key U.S. retail data release on the horizon

By Sofia Navarro
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A sharp pullback in Asian chipmakers has injected volatility into regional markets, with South Korea’s KOSPI seeing large intra-day swings after steep drops in major suppliers. The sell-off has revived debate over whether massive AI-related capital expenditure can generate sufficient profits. Markets now focus on Taiwan Semiconductor Manufacturing Co's second-quarter results, alongside U.S. retail sales and earnings from several large firms, while geopolitical risks and rising oil prices add to investor caution.

Chip Stocks Falter as Investors Question AI Capex Payback; TSMC Earnings Take Centre Stage
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Key Points

  • Sharp volatility in Asian chipmakers has driven a 6% one-day slide in South Korea’s KOSPI, leaving it 27% below its June peak - impacting semiconductor and hardware sectors.
  • TSMC’s second-quarter results, due at 0530 GMT with expectations for nearly a 60% rise in net profit, are viewed as a critical earnings test for the AI supply chain.
  • Macro and geopolitical factors - including U.S. retail sales forecasts, rising oil prices (Brent up 18% to $85), and recent U.S.-Iran military actions - are adding caution across equity and fixed-income markets.

The rally that had powered Asian chipmakers earlier this year has hit a turbulent stretch, with dramatic price action bringing renewed doubts about the profitability of surging AI-related capital expenditure.

In South Korea, the KOSPI has been particularly volatile as massive swings in shares of Samsung Electronics and SK Hynix became nearly daily occurrences. The index slid 6% on Thursday, leaving it 27% below its June peak and exacerbating losses for some leveraged retail funds.

That drop has amplified investor unease about the mounting cost of AI capex and whether that investment will ultimately produce adequate returns. Market participants are now focused on Taiwan Semiconductor Manufacturing Co (TSMC) as a key test. The foundry, which produces the advanced chips sold to Nvidia and other AI hardware providers, reports second-quarter results at 0530 GMT.

Consensus expectations call for a near 60% surge in net profit for the quarter. Yet market sentiment suggests that even a beat may not be enough to satisfy investors. To avoid punitive selling, TSMC would likely need not only to top forecasts but also to offer exceptionally strong guidance. The response to ASML’s recent results serves as a reminder of how unforgiving markets can be when future outlooks fall short of lofty expectations.

While the rotation out of memory and hardware stocks has left most Asian equity markets trading lower, European futures appeared set for a flat open. U.S. futures added 0.1% after a stronger overnight session driven by cooler inflation readings and solid bank earnings.

Investors are also awaiting quarterly reports from Netflix and GE, plus results from a handful of banks, including U.S. Bancorp and State Street, later in the day.

Snapshot of select market moves and symbols: STT +1.6%, GE +1.87%, USB +1.4%, LCO -0.45%, NFLX +0.2%, TSM -0.22%, KS11 -6.49%, 000660 -12.1%, 005930 -8.86%.

On the macro calendar, U.S. retail sales for June are forecast to rise a modest 0.2% following May’s 0.9% gain, with the control group seen at a firmer 0.5%. Any signs of softness in consumer spending could support the dovish bend in U.S. Treasury markets and offset concerns about demand.

Geopolitical developments remain a background source of risk. The U.S. military carried out another round of strikes on Iran, and Tehran said it had targeted a gathering of U.S. troops. Those tensions have contributed to a sharp rise in oil prices, with Brent crude up 18% over the past two weeks to $85 a barrel, keeping central banks cautious.

Policy moves have reflected that caution. South Korea raised rates for the first time in 3-1/2 years. Meanwhile, bond investors have taken some comfort from benign CPI and PPI prints, which have reduced the market-implied probability of a July Federal Reserve hike to just 10%, down from more than 40% earlier this month.


Key developments that could influence markets on Thursday:

  • TSMC earnings due at 0530 GMT
  • UK monthly GDP, industrial output and trade balances for May
  • Earnings from Netflix, GE Aerospace, U.S. Bancorp and State Street
  • U.S. June retail sales data and weekly jobless claims

The day’s coverage also highlights debate around specific stock valuations. For example, questions are being posed about whether State Street (STT) is undervalued or a potential pitfall for investors, with some market tools and strategies cited by market participants to assess fair value.

Overall, the mix of corporate earnings, a pivotal TSMC print, fresh U.S. retail data and heightened geopolitical risk is setting a cautious tone across global markets.

Risks

  • Earnings risk: Even if TSMC beats current profit expectations, markets may punish the stock unless guidance is also strong - a risk to semiconductor and equipment suppliers.
  • Demand risk: Weaker-than-expected U.S. retail sales or a cooling in consumer spending could reinforce dovish expectations for rates and pressure cyclicals and financials.
  • Geopolitical and commodity risk: Renewed military strikes and Iran’s response have helped push Brent higher, elevating inflation and central-bank caution, which could weigh on rate-sensitive sectors.

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