iphone software

When Apple supplier GT Advanced Technologies Inc. of New Hampshire crashed 90 percent on Monday, it was the climax of several beautiful aspects of market capitalism unfolding. First, the reason for the crash: The supplier of sapphire equipment for the iPhone’s fingerprint scanner and camera lens just filed for bankruptcy—and nobody saw it coming. Why? Because the stock traded as high as $11.27 (total company worth: $1.5 billion) on Friday before crashing to a low of $0.75 (total worth: $114 million).

Facebook ’s declining reach has set off a mad scramble of brands seeking the next social goldmine.