5:15 p.m. Update: The market took on more water Tuesday, with all the major indexes incurring distribution days, according to preliminary data. The NYSE composite fell hardest, down 1.4%. The Dow and S&P 500 each sawed off 1%. The Nasdaq trimmed 0.8%, buoyed by semiconductor stocks including Xilinx (XLNX) and Altera (ALTR). The Philadelphia semiconductor index eked up fractionally. Initial indicators show trading higher on both major exchanges