On the morning of August 1, most stock markets in the Asia-Pacific region were in the red after US President Donald Trump announced the new tax globally.
In Japan, the Nikkei 225 - the main index of the market - decreased by 0.6% at the beginning of the session.
In Korea, the KOSPI plummeted by 3.2%.
The Shanghai composite Index opened at 3,568.26 points, down 4.95 points, equivalent to 0.14%.
The Shenzhen Component index opened at 11,001.25 points, down 8.52 points, equivalent to 0.08%.
The Hang Seng index opened at 24,744.34 points, down 28.99 points, equivalent to 0.12%.
Taiwan's TAIEX lost 0.4%, while Australia's S&P/ASX 200 index lost 0.7%.
The Straits Times index opened at 4,169.28 points, down 4.49 points, equivalent to 0.11%.
In particular, the Hang Seng index of Hong Kong (China) increased slightly by 0.2%.
Meanwhile, the US stock market fell in the session on July 31 after a day of strong fluctuations, as investors waited for new announcements from the White House on trade policy and watched for profit reports from businesses.
The Dow Jones index fell 330 points, or 0.74%. The S&P 500 decreased by 0.37%, while Nasdaq composite decreased slightly by 0.03%.
Previously, in the session on July 31, both the S&P and Nasdaq increased by 1% and 1.5% respectively but then gradually decreased throughout the day.
With the results on August 31, S&P has had 3 consecutive sessions of decline. Dow Jones has been down all week.
However, for the whole month of July, the S&P 500 still increased by 2.17% and recorded the third consecutive month of increase. Dow Jones also rose slightly by 0.08% for the month and marked a three-month streak of increase. Nasdaq even increased sharply by 3.7%, maintaining the increase for 4 consecutive months.
On July 31, President Donald Trump announced a new tax rate for all countries in the world, strengthening his complete change to the long-standing US trade policy.
The new tax policy will be applied from August 7 so that the US Customs and Border Guard Agency has enough time to make necessary changes in implementation.
