UPDATED 6:00 ET

STOCKS – Global stock markets fell, heading for their biggest monthly drop since June. U.S. stock-index futures retreated, with the Standard & Poor’s 500 Index heading for its worst January since 2010.

BONDS – Treasuries rose, extending their biggest monthly gain in more than a year, as a slowdown at Chinese factories and the Federal Reserve’s efforts to curb support for the economy drove demand for the safest assets.

COMMODITIES – Copper fell for an eighth day in London, the longest losing streak since December 1998, on concern demand is set to weaken as the economy slows in China, the world’s largest consumer of the metal.

CURRENCIES – The dollar headed for its best January since 2010 versus a basket of its peers before data analysts said will show Americans increased spending for an eighth month, adding to evidence the U.S. economy is growing.

ECONOMIC DATA – CAD GDP m/m and US Personal Spending due at 8:30, Chicago PMI at 9:45, Revised UoM Consumer Sentiment at 9:55, CHY Manufacturing PMI AT 20:00 ET.