U.S. stocks closed a volatile week of trading broadly higher after a busy stretch of positive tech earnings helped overcome investor concerns over inflation and economic growth.The S&P 500 ended Friday up 1 percent, while the tech-heavy Nasdaq was up more than 2 percent, for its best day in two months. The Dow closed higher by about half a percent as well. All three indexes were up for the week, but still in the red for April.After days of see-saw trading, stocks were lifted from bumper results... Read this story
