News Summary: Stocks end lower
MARKETS DOWN: The Dow Jones industrial average closed down 52 points at 13,254 and the Standard & Poor's 500 slipped nine points. Investors were worried over troubling economic news from China and the U.S.
CHINA SLOWS: Auto sales growth in China slowed in August and imports shrank unexpectedly. Factory output also slid to a three-year low last month. The Chinese president warned growth could slow further.
U.S. CREDIT CARD USE FALLS: The Federal Reserve said Americans cut back on their credit card use in July for the second straight month, suggesting many remain cautious in the face of high unemployment and slow economic growth.