Shares logged modest gains Wednesday in Asia after Wall Street benchmarks ended just below their records following a day of choppy trading. U.S. futures edged higher as investors awaited an earnings update from computer chip giant Nvidia due after trading ends Wednesday in New York.

Asian shares have tracked Wall Street's rally after the head of the Federal Reserve hinted that cuts to interest rates may be on the way

World shares are mixed after the head of the Federal Reserve hinted that cuts to interest rates may be on the way.

Shares have fallen in Europe and Asia after President Donald Trump announced he was firing Federal Reserve Governor Lisa Cook. The announcement came after trading closed on Wall Street,