7 reasons the stock market may face a severe bout of turbulence next week and beyond https://t.co/VqUHJ6cCDi $SPY $QQQ $DJIA $DIA #stockmarket #investing #finance #stocks #gold #silver $SLV $TWTR $GLD $AAPL $TSLA $AMZN $INTC $NFLX $AMD #economy