US STOCKS-Euro-zone hope revives optimism on Wall Street By: Reuters: Company News September 26, 2011 at 18:06 PM EDT * Dow up 2.5 pct, S&P 500 up 2.3 pct, Nasdaq up 1.4 pct Read More >> Related Stocks: Apple Berkshire Hathaway Berkshire Hathaway Boeing Co CBOE Volatility Index Citigroup JPMorgan Chase & Co Standard & Poors 500