Major US stock indexes finished the fourth week of September higher despite Treasury yields reaching multi-decade highs, as oil prices cooled on signs of US-Iran diplomacy. The Nasdaq Composite led with a 2.06% gain, followed by the S&P 500 at 1.13% and the Dow at 0.36%, while the Russell 2000 fell 1.29%. The probability of a further interest rate hike from the Federal Reserve at its upcoming October meeting was last around 60%.