Beijing's lack of concrete economic stimulus actions poured cold water on U.S. investors who went big on the China trade, and strategists on Wall Street are warning of disappointment ahead. The professional cohort had piled into beaten-down stocks last month, stirred by hopes of more government assistance for the troubled China economy. "Indeed, the only part of the Chinese economy that appeared to be holding was its export sector. Investor sentiment toward Chinese stocks was partly aided by high-profile hedge fund manager David Tepper of Appaloosa Management, who turned extremely bullish. Stanley Druckenmiller reportedly said he's not interested in Chinese stocks under the current political leadership, regardless of the new policies.

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Persons: Stefano Pascale, Sameer Samana, Donald Trump, Barclays Pascale, David Tepper, Tepper, Ray Dalio, Stanley Druckenmiller, he's, — CNBC's Michael Bloom Organizations: Barclays, Trump, CSI, Appaloosa Management, CNBC Locations: China, Wells Fargo, Beijing