Stocks finished mostly lower, with volume down sharply across the board. The NYSE composite dropped 0.4% as the S&P 500 and Nasdaq fell 0.2%. The Dow ended just a hair above break-even. Apple (AAPL) sank further below its 50-day moving average, slipping 4.37 to 188.95 in brisk trade. The tech giant confirmed that it bought privately held music service firm Lala for an undisclosed amount. China Automotive Systems (CAAS) skidded 1.53 to 19.46. This