Wall Street vet of a half-century’s standing warns of an ‘L-shaped’ economic recovery https://t.co/EJJxSmr509 $SPY $QQQ $DJIA $DIA #stockmarket #investing #finance #stocks #gold #silver $SLV $TWTR $GLD $AAPL $TSLA $AMZN $NFLX $AMD $INTC #economy