Asia markets mixed after Wall Street gains, oil rebounds, as Fed eyed
Teradat Santivivut | Getty Images. Asian markets were mixed on Wednesday, as Wall Street's rise overnight was offset by disappointment with Apple earnings, as traders looked ahead to the Fed. · CNBC

Asian markets were mixed on Wednesday, as gains on Wall Street overnight were offset by disappointment with Apple earnings, with traders looking ahead to the U.S. Federal Reserve meeting results.

In Australia, the S&P/ASX 200 (ASX: .AXJO) was down 0.25 percent amid declines in banking and some resources shares.

On the mainland, the Shanghai Composite (Shanghai Stock Exchange: .SSEC) shed 0.20 percent, while the Shenzhen Composite (Dow Jones Global Indexes: .DJSZ) was off 0.22 percent.

Taiwan's Taiex was up 0.19 percent, while Singapore's Straits Times Index (Singapore Exchange: .STI) added 0.55 percent.

Markets in Japan, South Korea and Hong Kong are shut Wednesday for public holidays. Japan is shut for the rest of the week for the Golden Week holiday.

The Fed was expected to hold interest rates steady after its two-day meeting that began Tuesday, as it pauses to examine more economic data, but it may hint that conditions are on track for an increase in June.

Market expectations for a rate hike following this meeting are just 4.8 percent, according to the CME Group's FedWatch tool.

"The solid increase in first quarter employment costs will give the FOMC confidence that inflation remains on track to meet its medium term target of 2 percent per annum. We expect the FOMC to leave policy unchanged tomorrow but increase the Funds rate in June," Commonwealth Bank said in a note on Wednesday.

Shares of Apple suppliers were mixed after the iPhone maker's earnings disappointed.

Apple reported after the bell . While quarterly earnings beat expectations, revenue fell short of estimates as the company sold fewer iPhones than expected.

The tech giant guided to third quarter revenue of around $44.5 billion, a bit below market consensus. Apple shares were down 2.4 percent in post-market trade.

Among suppliers, Hon Hai (Taiwan Stock Exchange: 2317-TW) was flat, Pegatron (: 4938-TW) shed 0.22 percent, but Largan (: 3008-TW) added 0.5 percent and Catcher (: 2474-TW) rose 1.13 percent.

Nomura said in a note on Wednesday that the outlook for suppliers could improve ahead.

"The market expects Apple to launch new iPad series in the June quarter, and we think the new products will help to revive iPad component makers' revenues in the second quarter of 2017," Nomura said.

In Asian trade, oil prices rebounded with U.S. light crude (New York Mercantile Exchange: @CL.1) up 0.90 percent at $48.09 a barrel at 8:48 a.m. HK/SIN, after dropping 2.4 percent overnight, and Brent (Intercontinental Exchange Europe: @LCO.1) rose 1.05 percent at $50.99, after falling 2.3 percent overnight.