U.S. stocks closed higher Wednesday, sending all three benchmark indexes to record closes. The Dow Jones Industrial Average added 274 points, 0.9%, to close at about 29,551, while the S&P 500 closed 22 points, 0.6%, higher, near 3,379. The Nasdaq Composite Index jumped 0.9%, adding about 87 points to close near 9,723. Investors were cheered by receding fears about the COVID-19 virus, the contagion that reportedly originated in Wuhan, China last year, and by buoyant corporate quarterly results. In company news, shares of Shopify Inc. surged nearly 10% after its fourth-quarter results came in better than analysts' expectations, while shares of Micron Technology Inc. jumped close to an all-time high after an analyst upgrade.