Bears are building a fight against $BB BlackBerry. source: tipranksBlackBerry has no positive revenue drivers. QNX and IOT are not growing. Cyber security is lagging. Still, Symantec $SYMC reported stronger numbers and $FEYE reported weak numbers. That could give $BB a shot at taking market share.Short $BB? Yes or no?Related: $FEYE, FireEye, Inc. / H1