Noteworthy Wednesday Option Activity: GM, OLLI, PDFS

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in General Motors Co (GM), where a total of 76,667 contracts have traded so far, representing approximately 7.7 million underlying shares. That amounts to about 84.2% of GM's average daily trading volume over the past month of 9.1 million shares..