With surprise announcements and secret new products lurking around every corner, it's hard to know when to buy a product from Apple. The iPod...

Oct. 18 (Bloomberg) -- Apple Computer Inc. said fourth- quarter profit increased 27 percent on back-to-school sales of Macintosh notebook computers and new versions of the iPod music player. The shares jumped in late trading.

Apple Computer Inc.'s line of iPod music players was the most popular electronic device sold online over the Thanksgiving shopping-intense weekend.