Pfizer

Here are this morning's top options volume leaders... 1.) Citigroup (NYSE: C) 267,700 contracts, 73.2% calls, 26.8% puts 2.) Apple (NASDAQ: AAPL) 130,649 contracts, 61.2% calls, 38.8% puts 3.) Pfizer Inc (NYSE: PFE) 87,024 contracts, 84.3% calls, 15.7% puts 4.) Goldman Sachs (NYSE: GS) 73,707...