Nikkei edges down with BOJ move priced in
TOKYO, Jan 21 (Reuters) - Japan's Nikkei share average edged down at Monday's open as the Bank of Japan began a two-day policy meeting, after expectations the central bank will take aggressive measures against deflation helped to push the benchmark last week to a 32-month high. The Nikkei edged down 0.3 percent to 10,877.66 while the broader Topix lost 0.3 percent to 908.94.