Apple CEO Tim Cook: Why yes, we do care about market share

The first part of Tim Cook's answer was exactly what Wall Street wanted to hear. The second part, not so much.

Apple stock sinks 10% in after-hours trading on ‘disappointing’ earnings

Despite record revenue and iOS sales reported in today's earnings report, Apple's stock has sunk a staggering 10 percent in after-hours trading.

Apple’s once-mighty stock continues to crumble, sinks below $500

Fueled by concerns that iPhone 5 demand has weakened, investors are abandoning Apple, sending the company's stock under the $500-per-share mark.