Wall Street recovers some of week's losses after AI stocks swing back upward

NEW YORK — The U.S. stock market is recovering some of its losses for the week on Thursday, as the roller coaster for artificial-intelligence companies turns back upward. Oil prices and Treasury yields, meanwhile, remain near where they were the day before, even though worries are rising about the war with Iran and accelerating inflation . The S&P 500 added 0.3 percent, coming off a back-to-back drop that yanked it back to where it was in early May. The Dow Jones Industrial Average was up 313 points, or 0.6 percent, as of 11:45 a.m. Eastern time, and the Nasdaq composite was 0.5 percent higher. AI stocks helped lead the market, as they have since last week then they went from roaring to records to suddenly turning lower . The big concern is whether such stocks shot too high, too fast because of AI mania, and they’ve been careening up and down, sometimes hour by hour. Marvell Technology climbed 2.6 percent, for example. It’s coming off a manic stretch where it plunged 16.7 percent, soared 9.6 percent and then fell more than 5 percent for two straight days. Just before that, it had