S&P 500 tumbles 7%, triggers 15-minute trading halt

BY SHREYASHI SANYAL

Trading on Wall Street’s three main indexes was halted moments after the opening bell on Thursday as the S&P 500 slipped 7%, setting off an automatic 15-minute cutout, for the second time this week.

At 9:35 a.m. ET the Dow Jones Industrial Average <.DJI> was down 1,696.31 points, or 7.20%, at 21,856.91, the S&P 500 <.SPX> was down 192.33 points, or 7.02%, at 2,549.05 and the Nasdaq Composite <.IXIC> was down 558.80 points, or 7.03%, at 7,393.25.