Treasury yields edged higher as investors weighed escalating tensions in the Middle East and rising oil prices ahead of the Federal Reserve's policy decision.
Shares of Bright Smart Securities surged 58% after an Ant Group unit completed the required steps to acquire Hong Kong listed brokerage Bright Smart Securities.
International benchmark Brent crude futures lost 2.84% to end at $100.21 per barrel, while U.S. West Texas Intermediate futures dropped 5.28% to $93.50 on Monday.