U.S. President Donald Trump is speaking in the Oval Office at the White House in Washington, D.C. on Nov. 7. /Courtesy of AP·Yonhap

The U.S. Donald Trump administration is known to be retracting the artificial intelligence (AI) semiconductor export control plan established by the previous Joe Biden administration, leading to a strong performance in the semiconductor sector.

Samsung Electronics shares were trading at 55,350 won on the KOSPI market at 9:11 a.m. on the 8th. The stock price increased by 1.37% (750 won) from the previous day. At the same time, SK hynix's stock price also rose by 2.15% (4,100 won) to record 194,900 won.

In addition, semiconductor and semiconductor equipment companies such as MiCo, EO Technics, YCCHEM, Qualitas Semiconductor, Mirai Semiconductors, and UniTest are also showing stock price increases of around 4%.

The U.S. Department of Commerce stated on the 7th (local time) that "the Biden administration's AI regulations are overly complex and bureaucratic and will hinder innovation in the U.S." It added, "We will replace it with much simpler regulations to promote U.S. innovation and secure an AI advantage."

President Trump also said the same day, in response to a question from reporters about whether he could lift semiconductor export controls on some Middle Eastern countries ahead of a trip to the Middle East, "It is possible."

Following this announcement from the Trump administration, the stock price of Nvidia, a leading AI semiconductor company, rose by 3.1%. The Philadelphia Semiconductor Index, which reflects the stock prices of semiconductor-related stocks, also increased by 1.74%.