YTD $AMZN (up 28.53% YTD) added 1.08% to the $SPX total return, meaning the YTD $SPX -10.40 w/b -11.57% without $AMZN; $MSFT (13.56%) added 0.81%, as the top 10 added 2.78%; on the bottom was $JPM (-30.54%), which removed -0.51%, $WFC (-46.69%) took 0.37%, bottom 10 cost -3.28% https://t.co/jI7dacswhJ