U.S. stocks mostly rose at the start of Thursday, led by gains in tech shares as investors saw weekly jobless claims fall, albeit from elevated levels. The S&P 500 /zigman2/quotes/210599714/realtime SPX +0.06% rose 0.2% to 3,167. The Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA +0.17% shed 19 points, or less than 0.1%, to 26,049. The Nasdaq Composite /zigman2/quotes/210598365/realtime COMP -0.87% advanced 0.7% to 10,564, hitting a new intraday record at the start of trading. Another 1.3 million Americans filed for first-time unemployment benefits in the most recent week, below the 1.4 million expected from MarketWatch-polled economists. Investors also continued to contend with a resurgence of infections in hot spots like Florida and Texas, large regional economies. The worry is slowing consumer and business activity in these states could dent the pace of the recovery in the broader economy.