Shares were mostly higher in Asia on Wednesday after advances for big technology companies carried Wall Street to further gains overnight.

Benchmarks rose modestly in Tokyo, Hong Kong and Seoul but the Shanghai Composite index was almost flat.

Investors are awaiting the outcome of the U.S. Federal Reserve policy meeting later Wednesday.

The Federal Reserve's policymakers are expected to keep the benchmark rate at nearly zero for some time to help the economy recover and will release a statement that economists say might change some of the language around its existing pledge to buy bonds to support markets.

“Asian markets already have a quiet look about them, as they remain in wait and see mode ahead of the latest FOMC rate decision that is released in the early hours of tomorrow morning,” Jeffrey Halley of Oanda said in a commentary.

Japan’s central bank has begun a policy meeting that will wrap up Thursday but also is not expected to result in any major changes.

Japan reported that its trade balance swung into surplus in August as a 15% decline in exports from a year earlier was outpaced by a 21% drop in imports. Exports have been hammered by the coronavirus pandemic but the rate of decline has been narrowing over the past several months as shutdowns eased and the Chinese economy began to recover from a sharp downturn in early spring.

Japan's long-serving prime minister, Shinzo Abe, resigned as of Wednesday and was replaced by his chief cabinet secretary, Yoshihide Suga. Suga has said he intends to push ahead with Abe's policies and little change is expected for the world's third-largest economy.

Tokyo's Nikkei 225 edged 0.1% higher to 23,483.17 while the Hang Seng in Hong Kong also rose 0.1%, to 24,763.29. South Korea's Kospi climbed 0.2% to 2,448.53 and the S&P/ASX 200 in Sydney jumped 0.7% to 5,938.70. The Shanghai Composite index was almost flat, at 3,294.87.

Shares were mostly higher in Southeast Asia.

On Tuesday, the S&P 500 rose 0.5% to 3,401.20 after gaining more than 1% earlier in the session, its second straight sizable gain following the benchmark' index's worst week since June.

Big Tech stocks have been bouncing back this week after suddenly losing altitude earlier this month amid worries that their prices had climbed too high.

The Dow Jones Industrial Average inched up less than 0.1%, to 27,995.60. The Nasdaq, which is heavily weighted with tech stocks, climbed 1.2% to 11,190.32.

Stocks of smaller companies eked out a tiny gain, with the Russell 2000 index of small-caps picking up 0.1% to 1,538.15.

A report showed U.S. industrial production strengthened last month, but not by as much as economists were expecting.

Analysts expect more volatility for stocks in the months ahead as the market navigates uncertainty over the outcome of the election, pessimism that Democrats and Republicans in Washington will be able to reach a deal to send more aid to unemployed workers and an economy still struggling amid the pandemic.

Treasury yields were relatively steady. The yield on the 10-year Treasury was at 0.66%, down slighly from 0.67% late Tuesday. The 30-year yield ticked up to 1.44% from 1.41%.

In other trading, U.S. benchmark crude oil rose 69 cents to $38.97 per barrel in electronic trading on the New York Mercantile Exchange. It surged $1.02 on Tuesday to $38.28 per barrel.

Brent crude, the international standard, picked up 62 cents to $41.15 per barrel.

The dollar fell to 105.29 Japanese yen from 105.43 yen late Tuesday. The euro slipped to $1.1845 from $1.1848.

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AP Business writers Alex Veiga and Stan Choe contributed.