Asia markets mostly up but Tokyo hit by strong yen

Most Asia markets rose Tuesday but Tokyo sank on a strong yen as traders await central bank meetings in Japan and the United States this week. Promises of monetary easing after last month's shock British EU exit vote led a surge in shares -- and record highs on Wall Street -- but a degree of nervousness has set in as two of the biggest central banks prepare to meet. The Federal Reserve concludes its gathering Wednesday and although it is not expected to make any big announcement, its statement w