Dell Feeds Slowdown Fears

Updated from 12:31 p.m. EDT

The personal-computer market took another body blow Friday morning when Dell(AMD Quote), the world's No.1 PC vendor, warned investors that its second-quarter results would fall short of expectations.

Hot on the heels of mediocre quarterly reports from Intel(INTC Quote) and Advanced Micro Devices(AMD Quote), the two major microprocessor makers, the news wrought havoc on the shares of various PC players.

Dell shares sank nearly 12%, or $2.65, to $19.45 in recent trading Friday, marking the stock's lowest point in four years, while AMD was down 13.4%, or $2.90, to $18.75, a 52-week low. ...