Stocks, yields tumble after China lets yuan fall again

By David Gaffen NEW YORK (Reuters) - Stocks, the U.S. dollar, and emerging market currencies around the world remained under pressure for a second day on Wednesday after China's yuan weakened again, one day after the country devalued its currency. Germany's 2-year yield fell to a new record low of minus 0.29 percent as investors feared the deflationary pressures of a slowdown in China's economy would sap growth globally. The prospect of a U.S. interest rate rise by the Federal Res