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In December, "house hunters" signed about 2 percent fewer contracts for existing homes, and realtors blame stock market volatility and weak affordability.
Today\'s Stocks & Topics: Target Date Funds, BBY - Best Buy Co. Inc., GRUB - GrubHub Inc., Mutual Funds or ETFs, Online Brokerage, Economy of Europe, UNFI - United Natural Foods Inc., 401k, Gold, TSLA - Tesla Inc.