White House Economic Adviser: Q2 GDP Will Be Biggest Negative Number Since Great Depression; -20% To -30% https://t.co/OIzdos6khS $SPY $QQQ $DJIA $DIA #stockmarket #investing #finance #stocks #gold #silver $SLV $TWTR $GLD $AAPL $TSLA $AMZN $NFLX $AMD $INTC #economy