Noteworthy Thursday Option Activity: GNC, SVU, KNL

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in GNC Holdings Inc (GNC), where a total of 9,270 contracts have traded so far, representing approximately 927,000 underlying shares. That amounts to about 73.5% of GNC's average daily trading volume over the past month of 1.3 million shares..