Hewlett-Packard's nearly 50% gain has left it atop the 30 companies that make up the Dow, and yet, its support on Wall Street is razor thin.

"If anyone should be on trial here it should be Congress ... for creating a bizarre and byzantine tax code," says Pulitzer Prize-winning tax expert David Cay Johnston.

You won't have to pay for these phones if you sign up for a contract with a service provider.

Reports of Sony spinning off its entertainment division send shares swinging while Ford says it will increase production by 200,000 cars in North America.

Smart phones and tablets may be making consumers' lives easier, but they could soon take a serious toll on Hewlett-Packard's results.

Programs that aim to make 401(k)s more like traditional pensions are laudable -- but they also have some disadvantages.