Oasis (OAS) (STR) (TSO) (EGY) Drop as Oil Prices Fall

Even though oil prices have been steadily rising recently, they dropped back on Monday, putting downward pressure on the share prices of giant energy companies like Oasis Petroleum (NYSE:OAS), Questar Corporation (NYSE:STR), Tesoro Corporation (NYSE:TSO) and Vaalco Energy (NYSE:EGY).

On the New York Mercantile Exchange, crude oil was down 3.3 percent or $3.77 to $109.04 a barrel. Reformulated blendstock gasoline prices fell 0.6 cents to $3.1945 a gallon.

According to AAA, the national average price of unleaded gasoline jumped to $3.77 a gallon Monday from $3.761 on Sunday.

Oasis Petroleum closed Monday at $31.10, falling $0.64, or 2.02 percent. Questar Corporation closed at $17.21, down $0.23, or 1.32 percent. Tesoro Corporation closed at $25.65, dropping $0.14, or 0.54 percent.
Vaalco Energy closed at $7.04, dropping $0.30, or 4.09 percent.