Largest CALL OI increases $ECL $AZN $QCOM $APY $SNAP $SPCE $NIO $HTZ $FLEX $GE $APY $WELL $HPQ $NIO $BAC $BHC $ZNGA $C $CLDR $VSTO $MSFT $CSCO #BlackBoxStocks #trading #stocks #stockstowatch #daytrading #scalptrading #optionstrading #swingtrading #wallstreet #StockMarket #money https://t.co/2MX0itpNLS