Notable Thursday Option Activity: LOCK, STMP, RCL
April 28, 2016 at 15:32 PM EDT
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Lifelock Inc (LOCK), where a total of 4,375 contracts have traded so far, representing approximately 437,500 underlying shares. That amounts to about 57.2% of LOCK's average daily trading volume over the past month of 764,995 shares..