Asia-Pacific markets showed mixed results Wednesday, following Wall Street's decline ahead of the Federal Reserve's interest rate decision. Japan's Nikkei 225 was flat, while the Topix fell 0.4%. Australia's ASX/S&P 200 dropped 0.63%, and South Korea's Kospi lost 0.75%. However, Hong Kong's Hang Seng Index rose 1.35%, boosted by Baidu's strong performance. India's Nifty 50 and Sensex also saw gains. Singapore's non-oil exports plummeted 11.3%, exceeding expectations.

Prepared by Christopher Adams and reviewed by editorial team.