US stock futures wavered after investor optimism largely persisted for another day despite growing warnings that relief over trade developments could be short-lived.

US stock futures have seen a slide in early trading on Sunday evening US time, as a credit rating downgrade of the world's largest economy by Moody's has hit sentiment. The Dow futures are down 280 points,

Of interest, the US 30-year Treasury saw its yield top 5% for the first time since October of 2023 as the market demands a higher yield for higher risk. The US 10-year, which is significant for the US mortgage industry, also saw its yield rise 1.67% to 4.56%, which may increase market flows from equities to bonds.