US STOCKS-Euro zone hope revives Wall Street optimism By: Reuters: Company News September 26, 2011 at 16:22 PM EDT * Indexes up: Dow 2.5 pct, S&P 2.3 pct, Nasdaq 1.4 pct Read More >> Related Stocks: Berkshire Hathaway Berkshire Hathaway Boeing Co CBOE Volatility Index Citigroup JPMorgan Chase & Co Standard & Poors 500