Nvidia NVDA.O rose 2% as the graphics chipmaker bounced back from a selloff in Big Tech stocks early this week. By Ambar Warrick and Noel Randewich Nov 24 (Reuters) - Wall Street was mixed on Wednesday after the Federal Reserve released minutes of its most recent monetary policy meeting, while Gap and Nordstrom plunged following weak quarterly reports. Various Federal Reserve policymakers said they would be open to speeding up elimination of their bond-buying program and move more quickly to raise interest rates if high inflation held, minutes of the U.S. central bank's last policy meeting showed.