The global market volatility of the past month that sent U.S. stocks to their worst quarter in four years shows no signs of letting up just because the calendar turned to October. Investors say they are bracing for another leg down in the S&P 500 stock index despite its positive showing last week by increasing cash and other defensive positions in their portfolios. "Do I think we go into a bear market? No. Can we inch toward it? Absolutely," said Peter Cardillo, chief market economist at Rockwell Global Capital in New York. With the backdrop of slowing jobs growth in the U.S. and the collapse of global commodity ... (full story)