The Tokyo Exchange Group recently finalized its market restructuring rules. Warren Buffett's bullish calls on Japanese equities has also helped boost confidence among foreign investors. It could in turn lead to a domino effect among other Japanese companies once the big players start to make changes. Corporate governance is the "third arrow" of the three core tenets of Abenomics — monetary easing and fiscal stimulus are the other two. Buffett's May disclosures helped spur 10 straight weeks of net foreign purchases of Japanese equities.

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Persons: Richard A, Brooks, Oliver Lee, Warren Buffett's bullish, —, Yunosuke Ikeda, Nomura's Ikeda, Shinzo Abe, Warren, Berkshire, Asli, Shuntaro Takeuchi, Matthews Asia, Buffett, Berkshire Hathaway, that's, Matthews Asia's Takeuchi, We're, Oliver Lee Eastspring, Eastspring's Lee Organizations: Afp, Getty, Nikkei, Tokyo Stock Exchange, Tokyo Exchange Group, CNBC, Tokyo bourse, Berkshire Hathaway, Kyoto, Investing, Buffett, Foreigners, Japan Ministry of Finance, Kyoto University's Graduate School of Management, Graduate School of Economics, Mitsui & Co, Hitachi Locations: Japan, Tokyo, Singapore, Abenomics, San Francisco