UnitedHealth Surges on Earnings Beat as Chip Stocks Falter Despite Record TSMC Profit

UnitedHealth Group shares rallied in premarket trading Thursday after the insurer reported stronger-than-expected quarterly results, while semiconductor stocks broadly fell despite a record-breaking profit announcement from industry bellwether Taiwan Semiconductor Manufacturing Co. (TSMC).

Healthcare Stocks Gain on Strong Results

Shares of UnitedHealth Group (UNH) jumped 7.6% after the company posted second-quarter adjusted earnings of $6.38 per share, significantly ahead of analyst consensus. According to a report from Investing.com, the results helped reassure investors about the managed care sector's stability.

Abbott Laboratories (ABT) also saw its shares climb 4.4% in premarket activity. The medical products maker beat expectations on both revenue and earnings and signaled that sales of its glucose monitoring products were on track to return to double-digit growth.

Chipmakers Retreat Despite TSMC's Record Quarter

A cautious sentiment prevailed across the semiconductor industry, weighing on the tech-heavy Nasdaq. The world’s largest contract chipmaker, TSMC, reported that its second-quarter profit surged 77% year-over-year to a record high, easily beating Wall Street estimates.

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Despite the strong performance, TSMC shares fell about 4% in premarket trading. The negative reaction was reportedly tied to investor concerns over the company's expanded capital expenditure plan and the potential for near-term pressure on profit margins. The sentiment spilled over to other major chip stocks:

• Nvidia (NVDA), a key TSMC customer, slipped 1.3%.
• AMD (AMD), Intel (INTC), and Micron Technology (MU) saw declines ranging from 1.9% to 2.7%.

Mixed Reactions to Other Corporate Earnings

Other earnings reports prompted varied investor reactions, with some stocks falling even after topping estimates. GE Aerospace (GE) shares slipped 4.3% in what appeared to be profit-taking by investors after a recent strong run in the stock.

Similarly, U.S. Bancorp (USB) declined 2.4% despite reporting record quarterly revenue and earnings. The move suggests that the lender's strong performance had already been largely priced into the stock by the market.