$NYSI $QQQ $DIA $FB $GOOG $XLF $XLE $USD $IBB $NDX  #ES_F $TSLA $BTC $VIX $IWM $RUT $XLF $XLU  $GLD $GDX $SLV $XOP  $PALL             
 J. Welles Wilder Jr. 1978 book "New Concepts in Technical Trading Systems" [father of RSI, ADX, SAR &amp; More]
https://t.co/lDcoGqZIgA...