ChainCatcher news, according to Jinshi reports, ahead of Federal Reserve Chairman Powell's upcoming speech at Jackson Hole, investors are heavily buying U.S. long-term government bonds, pushing yields down.

Recent data has cooled market expectations for a rate cut in September.

Powell faces a delicate balance and may avoid giving clear guidance before the release of August's non-farm payroll data.

Observers expect him to reiterate the Federal Reserve's independence from political pressure.