Japan’s stock market is on a tear. Is it too late to jump in? By: MarketWatch May 17, 2023 at 19:41 PM EDT Japan's Topix index ends at a 33-year high as the nation's equities build on gains. Read More >> Related Stocks: Berkshire Hathaway Japan Ishares MSCI ETF NDX SPDR S&P 500 ETF Trust