Shares of Tesoro Corporation were up almost 4% on Wednesday as takeover rumors about the company spread across Wall Street. Unusual call option volume was reported as 22,530 call contracts were bought up compared to the average of 4,935. The Put/Call ratio was 0.10. That is, 9.70 call options were traded for every put contract. This suggests that traders are anticipating a short term upward movement in price.
Tesoro Corporation is an independent petroleum refiner and market in the U.S.
