Notable Friday Option Activity: AST, WIFI, PTCT

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Asterias Biotherapeutics Inc (AST), where a total of 1,186 contracts have traded so far, representing approximately 118,600 underlying shares. That amounts to about 49.9% of AST's average daily trading volume over the past month of 237,485 shares..