Since the Bank of Japan's December shock on the tech boost, the Nikkei has jumped to make up for its losses.

Nikkei share average reached its highest level in over a month on Tuesday, making up for all of its losses since the Bank of Japan's unexpected policy change the previous month. The gains were led by technology stocks, which followed Wall Street's momentum. The Nikkei finished at 27,299.19, up 1.46%, its highest level since December 16. The index went down when the BOJ made a sudden policy change on December 20 by increasing the yield ....