Versus a basket of its rivals, the greenback fell to 93.14 while U.S. stock index futures extended gains to 0.8% in London trading.

"A little bit of risk-on moves but in reality it is really quiet. People think Beijing will 'solve' Evergrande by kicking the can down the road," one trader said.

(Reporting by Danilo Masoni and Saikat Chatterjee; Editing by Rachel Armstrong)