Concerns about the effect of the trade war on the economy deepened Tuesday after new tariffs went in place over the weekend and a report showed that U.S. factory activity in August contracted for the first time in three years. The Dow Jones Industrial Average (DJINDICES: ^DJI) and the S&P 500 (SNPINDEX: ^GSPC) both fell, with trade-sensitive industrial and technology stocks taking the biggest hits.
Data source: Yahoo! Finance.
As for individual stocks, shares of Medicines Company (NASDAQ: MDCO) rose on news of a successful drug trial and those of Boston Beer (NYSE: SAM) declined in the wake of an analyst downgrade.