Shuli Ren, Columnist

Dear China, Enjoy This Bull Market. Love, Donald

Escalating tension between Washington and Beijing has stirred up patriotic fervor, setting mainland stocks on fire. 

The sincerest gift Trump can give.

 Qilai Shen/Bloomberg

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As a diplomatic tit-for-tat escalates between Washington and Beijing, millions of Chinese investors — defiant and patriotic — are once again engineering a fast and furious bull market on their home turf. The theme? Self-reliance.

Two years ago, when the trade war first hit, China’s $8.5 trillion stock market sank into one of its deepest bear episodes, as worries about the economic damage of decoupling took root. This time, tension with the U.S. hasn't even made a dent. Rather, mainland shares are on fire. The benchmark CSI 300 Index has rallied 14% this year, to trade at a five-year high. The S&P 500 Index, by comparison, is still in the red. Daily trading volume has exceeded 1 trillion yuan ($142 billion) for three consecutive trading days.