Most stock markets in Asia rose during trading on Monday, while the main South Korean stock index, the Kospi, fell by about 5 percent as investors disposed of more stocks related to artificial intelligence.

The Japanese market was closed today due to a public holiday, while the performance of US stocks was mixed in futures trading.

In the oil market, prices rose by more than 2 percent, as the price of Brent crude, the global oil standard, rose to more than $90 per barrel, with the United States and Iran approaching the resumption of all-out war between them. Early today, the United States announced more attacks for the ninth night in a row.

The price of Brent crude rose by 2.6 percent to $90.4 per barrel, while the price of West Texas Intermediate crude, the US oil standard, rose by 2.2 percent to $83.6 per barrel.

“The United States and Iran continue to exchange blows, which have proven deadly for both sides,” Warren Patterson and Ewa Manthey, commodity market analysts at ING, said in a note on Monday. “If this escalation continues unchecked, we may return to large-scale attacks.”

The two analysts pointed out that the movement of tankers in the Strait of Hormuz in the Gulf, through which about a fifth of global energy supplies usually pass, has almost stopped, which increases pressure on supplies in the global energy market.

In Asian markets, the main KOSPI index for South Korean stocks fell by 4.9 percent to 6,491 points, as Samsung Electronics shares fell by 4.4 percent and SK Hynix memory chip shares fell by 3.3 percent, and they are among the largest stocks listed on the index.

In Taiwan, the main Taiex index fell by less than 0.1 percent, while the shares of the Taiwan Semiconductor Manufacturing Company (TSMC), which manufactures electronic chips, rose by 2 percent, after falling on Friday by 7.3 percent, following the announcement of its intention to invest $100 billion to increase its production capacity in the United States.

The Hang Seng Index of the Hong Kong Stock Exchange rose by 2.1 percent, while the Shanghai Composite Index of Chinese stocks rose by 1.2 percent. The S&P/ASX 200 Australian shares index rose 0.2 percent.

On the other hand, the Sensex index of Indian stocks fell by 0.9 percent.