US stocks fell for the fourth day on Wednesday after a report that manufacturing growth slowed to a near standstill raising concerns over economic growth.While the Dow dropped 50 points to 12,031, the Nasdaq Composite Index slipped 32 points to 2,334.Almost all Indian ADRs declined yesterday. Wipro slipped over 2% to $14. Satyam was also down 2% at $21. Infosys, HDFC Bank and ICICI Bank also declined. Tata Motors, however, moved up nearly 2% to $18.50.