Wall Street falls on continuing credit market worries

US stocks tumbled today as the ailing credit market and a spike in home foreclosures intensified the market’s worries about a sagging economy. The Dow Jones industrials gave up 214 points.

Concerns about credit grew after Thornburg Mortgage Inc and a Carlyle Group bond fund revealed troubles with investments backed by mortgages. The entities failed to make margin calls, which are payments to guarantee much larger debt or investments.