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GM is expected to show a sales increase of 15.3% from a year ago when it posts August numbers later this week, according to auto industry research firm Edmunds. That would be an improvement of 30,000 cars and light trucks and would eclipse the unit gains of its smaller rivals.

Standard & Poor's downgraded the U.S. debt rating for the first time on Friday. Coming on top of concerns of a second recession, the move has investors worried that we're headed into a bear market for stocks. Here's what that would look like.

Ford has had been nothing but full of good news lately: it recently reported a sharp rise in net income to $2.6 billion and it said that it would maintain its market share in the U.S. America for the balance of the year. So why is Wall Street pessimistic on the stock?

Chrysler's IPO may be delayed, according to CEO Sergio Marchionne. He claims the decision will be based on the cash needs of the company and payments to the UAW healthcare trust. But is it really a sign of larger problems in the industry?

So far this year, General Motors and Ford shares have dropped over 10% as investors worried about consumer confidence and whether a parts shortage from Japan will slow production. But that may be about to change.

Citigroup is the most-shorted stock on any major U.S. exchange. Its position at the top of the pack is due to the bank's stock price and ongoing concern about its balance sheets and mortgage foreclosure practices.

The first trading day of the month is usually good to equities, but after a two-day respite, stocks went back back to broad-based declines. The sharp rise in oil prices overshadowed some encouraging corporate and economic news.

After a three-year search, Lou D'Ambrosio, a former technology executive, has been tapped to lead the struggling retailer.

Stocks fell sharply Friday as investors fled to safety amid disappointing economic data, mixed corporate earnings reports and escalating violence in Egypt. A soft start for equities only got worse as the day progressed. [Video]

Europe's floundering economy could hurt car sales at Ford and other automakers, worries Bill Ford, executive chairman of Ford Motor.