Despite a rebound on Wall Street, Asia-Pacific markets open lower, with China's trade data in focus.

• On Wednesday, major indexes on Wall Street rebounded from a three-day stretch of losses, while Asia-Pacific markets are expected to open mostly lower, breaking with the trend.
• Economists anticipate that traders in Asia will evaluate July trade balance data from China, with exports predicted to increase by 9.7% and imports expected to rise by 3.5% year-over-year.

Despite Wall Street's three-day losing streak, major averages in Asia-Pacific markets are expected to open lower on Wednesday.

The Nasdaq Composite, a tech-heavy index, rose 1.03% to close at 16,366.85, while the S&P 500 gained 1.04% and the Dow Jones Industrial Average increased by 0.76%.

Japanese stocks rebounded on Tuesday, boosting sentiment, as the Nikkei 225 posted its best day since October 2008, soaring 10.2%. On Monday, the benchmark suffered its worst session since 1987 amid recession fears, losing 12.4%.

Traders in Asia will evaluate July trade data from China, with economists anticipating exports to increase by 9.7% year-over-year compared to June's 8.6% increase. Meanwhile, imports are predicted to grow by 3.5% over the same period, reversing the 2.3% decline seen in June.

The S&P/ASX 200 for Australia was at 7,615, which was below its previous closing price of 7,680.6.

The futures market in Japan is predicted to open lower, with the Chicago futures contract at 33,645 and the Osaka futures contract at 33,400, compared to the previous close of 34,675.46.

The HSI's last close of 16,647.34 was surpassed by the futures of Hong Kong, which stood at 16,694.

—CNBC's Hakyung Kim and Samantha Subin contributed to this report.