A person walks past an electronic stock board displaying Japan’s Nikkei index at a securities firm in Tokyo, Monday, Oct. 26, 2026. (AP Photo) Investors are gearing up for a crucial run of central bank decisions and tech earnings this week. A drop in oil prices provided limited support after both main contracts soared on Oct. 23 to a six-month high, though sentiment remains fragile owing to fears of a resumption of U.S. attacks on Iran after next week's midterm elections.