Company: Tesoro Petroleum Corporation

Energy stocks are on pace to book their worst week of the year, with companies like Marathon Oil and Valero Energy tumbling some 8 percent.    Read More

The looming Iranian oil embargo has heightened the concern of risk to global oil supplies. Meanwhile, energy production in this country is booming.    Read More

Union workers at Tesoro’s Anacortes, Washington refinery have authorized their representatives to call for a strike, one month after rejecting a new contract over benefit issues.    Read More

Each quarter near the end of the earnings season, CNBC.com publishes a list of 20 stocks in the S&P 500 index trading at the greatest premiums or discounts to their analysts’ consensus target prices. Here they are.   Read More

As oil continues to spike, which energy stocks have been performing the best?   Read More

Crude oil on Tuesday posted its biggest two-day price drop in six weeks, leading noted investor Dennis Gartman to forecast a six-month trend ahead.   Read More

Every quarter hedge funds and large investors file their holdings with the SEC, revealing value picks, cyclical bets, growth opportunities and activist pushes. TheStreet.com details five stocks that hedge funds flocked to.   Read More

Shares of the following companies are showing unusual moves in Thursday's trading session.   Read More

Take a look at some of Thursday morning's early movers:   Read More

Oil prices continued to march higher Tuesday, nearing $100 per barrel. But Stephen Schork, editor of The Schork Report, told the “Fast Money” team the sharp gains make no reasonable or logical sense.     Read More