Stock Market Today: World Shares Mixed, Oil Prices Gain Ahead of Fed Decision on Rates

A currency trader passes by the screens showing the Korea Composite Stock Price Index (KOSPI), (C), and the foreign exchange rate between U.S. dollar and South Korean won, (R), at the foreign exchange dealing room of the KEB Hana Bank headquarters in Seoul, South Korea, on Oct. 31, 2023. Ahn Young-joon/AP Photo

TOKYO—World shares were mixed on Tuesday and oil prices gained as investors awaited a decision by the U.S. Federal Reserve on interest rates due on Wednesday.

European markets advanced while shares were mostly lower in Asia. U.S. futures were mixed.