At the opening of trading, the Dow Jones industrial average is down 192, or 1.7 percent, to 11,252. The S&P 500 is down 23, or 2 percent to 1,176. The Nasdaq is down 64, or 2.5 percent, to 2,468.
Prices for Treasurys are rising because they're still seen as one of the few safe investments. Gold topped $1,700 per ounce for the first time.