Much of the day`s trading may well hinge on what Janet Yellen, chair at the U.S. Federal Reserve, will tell lawmakers in testimony later Wednesday.
Much has changed since the Fed raised interest rates in December for the first time in nearly a decade. Confidence in the global economy has deteriorated while financial markets have been volatile — many stock markets around the world have officially hit bear market territory while oil prices have dropped to fresh multi-year lows.
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