XOM

It's too simplistic to value oil company stocks on the price of crude alone. But if oil prices are one marker, oil shares are probably rising too high. Chevron's (CVX) stock is trading at $107. It was only $100 when crude moved above $120 in mid-2008. ConocoPhillips (COP) trades at $81, not far...

Can you profit from the turmoil in the Middle East? Oil is now flirting around $100 a barrel and gold is continuing its upward trend. For investors, this could present an opportunity in oil and gold stocks. Here is the bull and bear take on three stocks that could rise on Mideast unrest.

Stocks fell again on Wednesday, and oil prices briefly crossed the $100-a-barrel mark after violence escalated in Libya. Oil traders are spooked about the possible spread of turmoil. Tech bellwether HP's disappointing outlook also hurt.

Warren Buffett's Berkshire Hathaway liquidated its positions in a number of high-profile companies during the fourth quarter, but the Oracle of Omaha has hung on to his huge stake in Coca-Cola. And Coke's nearly 4% drop is a weight on Buffett's portfolio.

Wall Street shrugged off instability in Egypt to rally to a two-and-a-half year high Tuesday, boosted by encouraging economic data and better-than-expected corporate earnings.

It's been a long time since the DJIA reflected just America's smokestack economy. But today's economic rebound is being led so far by manufacturers. And if you plot those Dow components as a group, you'll see they're leading the larger pack by far.

BP (BP), ConocoPhillips (COP) and Exxon Mobil (XOM) have cut their oil production from Alaska's Prudhoe Bay field by 95% after a leak was discovered in the Trans-Alaska Pipeline. No one is certain how long the leak will take to fix. It appears to be in a concrete casing along the pipeline at the...

Light crude oil prices have been climbing in the last few days, closing the week at $88.94 per barrel on the NYMEX. If prices climb high enough, it could damage the still-weak economy by raising the costs of gasoline, jet fuel and petroleum-based chemicals. How high is too high?

Stocks fell sharply Tuesday as investors fled riskier assets following an exchange of artillery fire between North and South Korea. Better news on U.S. economic growth was no match for the new worries, on top of Euro-jitters.