US STOCKS-Wall St drops on global debt woes; banks drag By: Reuters: Company News July 18, 2011 at 16:45 PM EDT * Indexes off: Dow 0.8 pct, S&P 0.8 pct, Nasdaq 0.9 pct Read More >> Related Stocks: Allstate Corp Altius Minerals Corp Bank of America CBOE Volatility Index Citigroup Google, Inc. Halliburton Co International Business Machines JPMorgan Chase & Co Standard & Poors 500