Japan's Nikkei index was flat at 66,988.82 points, as gains in financial and energy shares offset declines in electronic and pharmaceutical stocks. According to Sina Finance, Resona Holdings rose 2.8% and Inpex Corporation climbed 3.9%, while Omron fell 3.1% and Daiichi Sankyo dropped 2.2%. The dollar was at 159.20 yen, compared with 159.28 yen at 5:00 p.m. U.S. Eastern Time on Tuesday, and investors were watching developments in the Iran conflict and crude oil prices.