China weakness calls into question stock valuations By: CNBC.com News March 10, 2014 at 16:07 PM EDT China posts the biggest drop in exports in four-and-a-half years and the biggest trade deficit in two years, weighing on the global stock market. Read More >> Related Stocks: Australia Ishares MSCI ETF Bhp Billiton Ltd ADR Brazil Ishares MSCI ETF Peru All Ishares MSCI ETF South Africa Ishares MSCI ETF