A dealer works on the trading floor at IG Index in London
A dealer works on the trading floor at IG Index in London, Britain August 25, 2015. China's central bank cut interest rates and lowered the amount of reserves banks must hold for the second time in two months on Tuesday, ratcheting up support for a stuttering economy and a plunging stock market that has sent shockwaves around the globe. REUTERS/Suzanne Plunkett