Notable Wednesday Option Activity: TWTR, GATX, SNC

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Twitter Inc (TWTR), where a total of 138,967 contracts have traded so far, representing approximately 13.9 million underlying shares. That amounts to about 83.4% of TWTR's average daily trading volume over the past month of 16.7 million shares..