General Motors

Tesla Motors has some good news for fans of the American maker of electric cars. The Model S -- its first reasonably priced vehicle -- may hit the streets as early as June. Will this be the vehicle that jump starts electric car sales?

Thanks to strong new products, hard work, and the American taxpayer, GM continued its profitable ways in the first quarter. The world's largest automaker reported a profit of $1 billion on the strength of its operations in the U.S. and China.

Automakers reported their sales Tuesday. Toyota and Chrysler saw big U.S. sales gains in April, but they came at the expense of General Motors and Ford.

Ford earned $1.4 billion in the first quarter -- a bit ahead of analyst expectations, but down from a year earlier. North American sales powered the profit, while Europe's crisis-wracked economy held every automaker back on the Continent.

Let's go over some of the items that will help shape the week that lies ahead on Wall Street: Warren Buffett talks; plastic wins; organic food does too; GM reads its odometer; and recent IPOs check in.

One recent study of used-car buying habits found that women were more likely to do research, ask tougher questions, and have a mechanic inspect a used car before buying. Another study on new-car buying preferences shows that women make more practical automotive choices.

News that the Treasury Department had frozen or reduced executive salaries at companies bailed out under TARP prompted a range of reactions, but here's one you probably didn't hear.