Japan's Nikkei edges down on caution before earnings, profit-taking

Japan's Nikkei share average fell on Tuesday, as investors assessed the latest string of domestic earnings reports and as high stock prices prompted profit-taking. The Nikkei index was down 0.66% at 36,114.06 at the midday close, with 70 of the index's 225 constituents gaining against 155 decliners. The broader Topix was down...