The Dow Jones Industrial Average fell 876 points today, as investors digested a bad inflation report from Friday and then turned their attention to the Federal Reserve's June meeting, which starts tomorrow. Meanwhile, the S&P 500 fell nearly 3.9% today and finished in bear-market territory, down close to 22% this year. In the Dow, the aviation company Boeing (NYSE: BA) was the index's worst performer, finishing the day close to 9% down.