Sales of Apple's iPhones or iPads don't explain the big rise in Apple's stock, which is up about 70 percent from a year ago. The Wall Street Journal's Tripp Mickle says other factors are at play, including the Warren Buffett factor.
Paying college tuition with a credit card will cost you. Many schools are tacking on fees. Matt Schulz at CreditCards.com tells John Wordock about a new survey.