Options Brief: Sigma-Aldrich Corporation (SIAL)

Shares of Sigma-Aldrich Corporation SIAL are higher on the session by 7.40%, trading at $72.25. Overall call volume is now running at 6.65x the daily average, with 60% of all calls traded being purchases on the offer. 1,337 contracts have traded on the session so far. Sigma-Aldrich Corporation is a life science and high technology company. The company develops, manufactures, purchases and distributes a range of chemicals, biochemicals and equipment globally.