Investors in Asia-Pacific markets open higher as they process the Fed's significant rate reduction.

• New Zealand's GDP for the second quarter grew by 0.2% from the previous quarter, according to the official data released Thursday morning, more than Reuters poll estimates of a 0.4% decline.
• Assessments of August trade data from Malaysia and unemployment numbers from Australia will also be conducted by investors in Asia.
• The Bank of Japan will hold a two-day meeting from Friday to make a crucial rate decision, following its decision to end the ultralow interest rates that have been in place for decades.

The Federal Reserve's decision to cut interest rates by a half-percentage point caused traders to assess the impact on Asia-Pacific markets, which opened higher on Thursday after a volatile session on Wall Street.

Japan's jumped 2.3% and the broad-based Topix added over 2%.

The small cap Kosdaq experienced a nearly 1% increase, while South Korea's blue chip Kospi gained 0.57%.

Australia's S&P/ASX 200 rose 0.15% on open.

New Zealand's GDP for the second quarter grew by 0.2% from the previous quarter, according to the official data released Thursday morning, more than Reuters poll estimates of a 0.4% decline.

Assessments of August trade data from Malaysia and unemployment numbers from Australia will also be conducted by investors in Asia.

The Bank of Japan will hold a two-day meeting from Friday to make a crucial rate decision, following the end of its decades-long ultra-low interest rates policy earlier this year.

Hong Kong's futures indicated a flat open for HSI, remaining at its Tuesday closing price of 17,660. The markets will resume trading on Wednesday following a public holiday closure.

The CSI 300 index of mainland China slightly decreased from its previous close of 3,195.76 to 3,191.

In the U.S., the Dow Jones Industrial Average, S&P 500, and Nasdaq Composite all declined overnight, with the Dow Jones down 0.25%, the S&P 500 down 0.29%, and the Nasdaq Composite down 0.31%.

The stock market indices reached new highs during trading but later finished lower.

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