The unprecedented moves by the Bank of Japan on Thursday to end years of deflation brought about a breath-taking turnaround in Japanese stock markets that saw the Nikkei 225 closing up 2.2 percent by the end of the day, at four and a half year highs.
U.S. stock index futures shaved their gains to turn narrowly mixed Wednesday after a report showed private employers added less jobs than expected in March.
European shares closed lower on Wednesday, shadowing losses on U.S. bourses after disappointing American data.
The Nikkei 225 surged 3 percent on Wednesday on expectations of aggressive monetary stimulus from the Bank of Japan's (BOJ) highly-anticipated policy meeting, while the rest of Asia fell on caution ahead of further risk events this week.
U.S. stock index futures were higher Tuesday, looking to recover from the previous session's decline and as manufacturing data showing a continued contraction in the euro zone failed to shake gains in European stocks.
European shares closed higher on Tuesday, led by the telecoms sector, which was boosted by new reports that Vodafone, the world's second largest mobile operator, could be bought.
European shares were flat on Friday as talks over the "fiscal cliff" stalled.