Notable Wednesday Option Activity: TMO, PCL, DD

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Thermo Fisher Scientific Inc (TMO), where a total of 8,601 contracts have traded so far, representing approximately 860,100 underlying shares. That amounts to about 62% of TMO's average daily trading volume over the past month of 1.4 million shares..