Dow plunges again on worries about slowing global growth

"Right now there is a feeling of fear in the marketplace and all news is interpreted negatively and it's interpreted indiscriminately," said Tom Digenan, head of U.S. equities as UBS Global Asset Management.
The major averages accelerated selling in early afternoon, on track for their worst week since 2011.

Earlier, the averages briefly attempted to halve losses in mid-morning trade.
"I think uncertainty about China (and) general negativity is weighing on the market. There's a lack of positive economic news to motivate buyers," said David Kelly,.."msn