According to Kabutan, Yonhap and HKET, Japan's Nikkei 225 opened Wednesday at 67,942, up 164 points from the previous session, after falling for a fourth straight session on Tuesday. As of 01:39 UTC, the Nikkei stood at 68,019.73, up 242.21 points or 0.36%. Taiyo Yuden and MonotaRO were among the gainers. Investors are awaiting U.S. consumer price index (CPI) data due tonight Japan time.

South Korea's KOSPI opened at 6,062.08, up 26.73 points or 0.44%, after tumbling 5.46% in the previous session. As of 9:15 a.m. local time, the index was up 110.66 points or 1.83% at 6,146.01, with tech shares leading gains; Samsung Electronics rose 3.02% and SK hynix added 2.36%. As of 01:39 UTC, the KOSPI was at 6,086.16, up 50.81 points or 0.84%. The KOSDAQ opened at 835.90, down 1.13 points.

Hong Kong's Hang Seng Index opened down 62 points at 24,282, while the Hang Seng TECH Index slipped 0.02% to 4,135 and the Hang Seng China Enterprises Index fell 0.2% to 8,161. As of 01:39 UTC, the Hang Seng was at 24,134.20, down 211.02 points or 0.87%; as of 01:40 UTC, Tencent was down 0.89% and Alibaba was up 0.93%. Tencent issued $1.8 billion of notes and 26 billion yuan of notes, while Akeso plans to place 20 million new shares at a 6.9% discount to raise about HK$1.96 billion.

Taiwan's TAIEX opened at 48,382.64, up 41.33 points, before extending gains to more than 500 points and returning to the 48,800 level. TSMC rose as high as NT$2,535, and the four Formosa Plastics Group stocks extended gains. As of 01:39 UTC, the TAIEX was at 48,897.92, up 556.61 points or 1.15%.

In mainland China, stocks edged lower. As of 01:40 UTC, the Shanghai Composite Index was at 3,787.61, down 0.35%, and the Shenzhen Component Index was at 12,277.42, down 0.62%. As of 01:39 UTC, the CSI 300 was at 4,253.10, down 0.53%.