Notable Tuesday Option Activity: PLL, DHR, HUM
May 12, 2015 at 13:45 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Pall Corp. (PLL), where a total volume of 11,855 contracts has been traded thus far today, a contract volume which is representative of approximately 1.2 million underlying shares (given that every 1 contract represents 100 underlying shares)..