Shunichi Ozasa and Naoko Fujimura report:
Yahoo Japan Corp. fell the most in three weeks in Tokyo trading as the government said it will question the company about plans to display advertisements based on the contents of users’ e-mail messages.
Japan’s largest Internet company by market value fell 1.5 percent, the biggest decline since June 1, to 24,870 yen at the close on the Tokyo Stock Exchange. The benchmark Nikkei 225 Stock Average fell 0.7 percent.
Read more on Bloomberg Businessweek.