European stocks ended a choppy session in positive territory on Wednesday, building on the previous days' rally as investors waited for U.S. President Donald Trump's tax-revamp plan.

U.S. stocks closed little-changed on Wednesday, losing altitude in the final minutes of trade, following a highly anticipated announcement of President Donald Trump's ambitious tax proposal that had helped to fuel a breakout for equities in recent days.

Stock markets in Asia were broadly lower early Thursday, tracking overnight weakness on Wall Street with investors cautious early in the day before the Bank of Japan made its policy statement, in which it maintained its easy monetary policy.