The S&amp;P 500 index is bumping up against resistance https://t.co/1Bvr8RJo6c $SPX $SPY $QQQ $DJIA $DIA #stockmarket #investing #finance #stocks #gold #silver $SLV $TWTR $GLD $AAPL $TSLA $AMZN $NFLX $AMD $INTC #economy