LIVE MARKETS-Tech shares boost S&P 500, Nasdaq; health insurers a drag

Nasdaq, S&P 500 rise, Dow declines Tech leads S&P 500 sector gainers; Healthcare weakest group Euro STOXX 600 index up ~0.5% Dollar slides; bitcoin slips; gold, crude both gain >1% US 10-Year Treasury yield edges up to ~4.22% Welcome to the home for real-time coverage of markets brought to you by Reuters reporters. You can share your thoughts with us at TECH SHARES BOOST S&P 500, NASDAQ; HEALTH INSURERS A DRAG The S&P 500 (.SPX) and Nasdaq (.IXIC) are higher along with shares of Apple (AAPL.O) and Microsoft (MSFT.O) ahead of those companies’ quarterly reports due this week, but the Trump administration’s Medicare Advantage payment proposal hit health insurer shares and weighed on the Dow. The Dow (.DJI) is down about 1% in early trading. Technology (.SPLRCT) is leading the sector gainers on the S&P 500, while healthcare (.SPXHC) and financials (.SPSY) are leading the decliners. Shares of UnitedHealth (UNH.N) are down about 18%. Microsoft shares are up 1.4%, while Apple is up 1.8%. Both are due to report quarterly results after the bell this week. Other gainers include United Parcel Service (UPS.N) after the company projected higher revenue for 2026 and General Motors (GM.N) , which is up more than 7% after the automaker raised its profit outlook for 2026. It is still early in the fourth-quarter earnings season and investors are hoping strong results from tech companies will ease worries about lofty valuations. Here is the early market snapshot: (Caroline Valetkevitch) EARLIER ON LIVE MARKETS: TINY TITANS OF TECH: UBS SAYS RARE EARTHS POWER AI’S GIANT LEAP WITHOUT SUPPLY CRISIS CLICK HERE IOTA ACCELERATES PUSH INTO $35 TRILLION GLOBAL TRADE MARKET CLICK HERE S&P 500 POISED TO CHALLENGE ITS HIGHS, 7,000 MILESTONE CLICK HERE GLOBAL COMMODITY MARKETS TURNED ON THEIR HEADS IN 2026 - BERENBERG CLICK HERE BROADENING BOOM: EQUITY BREADTH HITS 25-YEAR HIGH CLICK HERE EUROPEAN BANK STOCKS TOUCH 18-YEAR HIGH, EARNINGS IN FOCUS CLICK HERE WHAT TARIFFS? INVESTORS SOAK UP THE DIP CLICK HERE EUROPE BEFORE THE BELL: M&A, EARNINGS KEEP TRADERS BUSY CLICK HERE Early market snapshot