S&P, Dow survive test of major support By: MarketWatch October 16, 2012 at 12:06 PM EDT The S&P 500 Index and the Dow industrials have survived a test of major support, preserving the market uptrend. Read More >> Related Stocks: American Tower Corp A China Largecap Ishares ETF Fluor Corp Iac Inc Wal-Mart Stores, Inc.