BlockBeats News, March 21, U.S. stocks closed on Thursday, with the Dow Jones Industrial Average initially falling 0.03%, the S&P 500 Index falling 0.2%, and the Nasdaq falling 0.3%. Nvidia (NVDA.O) rose nearly 1%, Pinduoduo (PDD.O) rose nearly 4%, and Apple (AAPL.O) fell 0.5% (FX168).