S&P rises, recent whipsaws raise questions By: MarketWatch July 19, 2011 at 13:04 PM EDT Tuesday’s upturn marks the latest in a series of volatile market whipsaws. Read More >> Related Stocks: Bed Bath & Beyond Carpenter Technology Corp Darden Restaurants Dillard's Hexcel Corp Nordstrom S&P Retail SPDR Southern Copper Corp TJX Companies United States Oil Fund