Since then, Japanese equities have rallied. Even so, Strategas Securities' Chris Verrone has remained optimistic on Japanese equities, saying this week that the rally is not yet overbought. Meanwhile, JPMorgan chief market strategist Marko Kolanovic said in a note, also on Tuesday, that the rally in Japan still has "staying power." For international investors, those remarks signaled that Japanese companies may be more transparent with shareholders in the future. Investors can also take a company-specific approach, according to Diamond Hill's Mohanraj, who favors Japanese companies that boast differentiated products.

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