
Big Tech, US card firms, copper miners
At 11:30 EDT, the Dow Jones Industrial Average was down 3.45% at 39,146.38.The S&P 500 was down 3.96% at 5,182.64, and the Nasdaq Composite was down 3.96% at 15,896.02.The top three S&P 500 percentage gainers:** NVR Inc , up 6.8%** Deckers Outdo