Stocks Tumble, Oil Slides to Three-Month Low on Economy

Global stocks slumped the most since July and commodities erased this year’s gains as companies from DuPont Co. and 3M Co. to Alfa Laval AB reported earnings that spurred concern the economy is weakening. Oil slumped to a three-month low and Treasuries rose.

The MSCI All-Country World Index dropped 1.5 percent at 4 p.m. in New York and lost 2.8 percent in three sessions. The Standard & Poor’s 500 Index slid 1.4 percent to 1,413.11, the lowest since Sept. 5, and the Dow Jones Industrial Average tumbled 243.36 points, or 1.8 percent, in its biggest drop since June. The S&P GSCI gauge of commodities sank 1.4 percent. Gasoline fell for a ninth day. The euro fell 0.6 percent to $1.2980 as Spain’s 10-year bond yield rose 13 basis points after data showed the Spanish economy shrank for a fifth quarter.