By
After opening higher, the Dow Jones Industrial Average shed 99.52 points (0.84 percent) to 11,766.87 in closing exchanges. The tech-heavy Nasdaq Composite tumbled 32.19 points (1.26 percent) to 2,523.14, and the broader S&P 500 dropped 14.34 points (1.18 percent) to 1,205.32. Stocks were mired in negative territory "amid continued eurozone debt crisis concerns and solid weakness in financials," Charles Schwab analysts said in a research note.