Trade wars: Some US officials see China rescinds trade offers - U.S. stocks down sharply

Stocks on Wall Street have been hit on reports that US officials see China rescinds trade offers:

• US, China still debating on data services, Pharm issues;
• Some US officials said to see China moves as normal in talks;
• USTR said to seek details on China revised IP offer;
• Some officials said to seee China walking back trade offers.