An increasingly balanced bull vs. bear debate By: MarketWatch June 16, 2009 at 13:33 PM EDT CINCINNATI (MarketWatch) - Despite its limitations, Monday's sell-off was among the more serious challenges to the U.S. markets' recovery attempt. Read More >> Related Stocks: SPDR S&P 500 ETF Trust Tetra Tech Inc Titan Machinery Inc Transportation Average Ishares ETF UTILITIES SEL Vishay Intertechnology