It would take an initial 780 point move lower on the $DJIA or 300 points lower on the $NASDAQ or  90 points lower on the $SPX for a sharp sell off from the program traders. #HelpfulToKnow @cnbc ⁦@CNBCFastMoney⁩ ⁦@HalftimeReport⁩ @markets ⁦@YahooFinance⁩ https://t.co/PxaRRfdiQN