@UglyOldGoat1 I don't know how to do a chart either but - 

$SPX is weighted 4.24% on $AMZN. 
https://t.co/FNS0vsyuSp

From the low $AMZN did a 50% move, $SPX grew 2.12% from that (.5*.0424). $SPX is ~27% up from the lows. Without $AMZN it'd be up just under 25%.