Goldman Sachs says a national mask mandate could slash infections and save economy from a 5% hit https://t.co/V9KAf7CnEt $SPY $QQQ $DJIA $DIA #stockmarket #investing #finance #stocks #gold #silver $SLV $TWTR $GLD $AAPL $TSLA $AMZN $INTC $NFLX $AMD #economy