The selling wave of artificial intelligence stocks deepens, the prices of semiconductor companies fall sharply

The Kospi index, which measures the South Korean stock market, fell by more than 10 percent and the Tokyo Stock Exchange by more than four percent.

The price of SK Hynix, South Korea’s leading semiconductor company, fell by 10 percent, and competitor Samsung Electronics fell by more than 12 percent.

These two companies make up about 40 percent of South Korea’s stock market, giving them an exceptionally large influence on the Kospi index.

In South Korea, morning trading was temporarily suspended after the index dropped eight percent.

World the price drop of the second largest memory chip manufacturer SK Hynix was expected, as its price had weakened by seven percent on Monday in New York.

SK Hynix is ​​now down 45 percent from its peak in June, wiping €500 billion off its market value, Financial Times counts.

For comparison, all companies on the Helsinki Stock Exchange total market value was 318 billion euros at the end of last year.

Semiconductor companies the price drop was explained by the fact that investors considered that the valuation of the companies had risen so quickly recently that a correction was already in place.

At the same time, the results of semiconductor companies were expected to be so “fantastic” that some investors already considered price drops as a buying opportunity.

Recently, the artificial intelligence market has been shaken by the extensive language model Kimi K3 of the Chinese company Moonshot, which is thought to be competitive in many areas with the most advanced artificial intelligence models of the Americans Anthropic and OpenAI.

Kimi K3 was announced as an open download, which is believed to increase its influence and potentially weaken the ability of American models to monetize using its services.

Course calculation also concerned the US semiconductor giant Nvidia, whose value weakened by five percent on Monday.

At the same time, Nvidia lost its position as the world’s most valuable company in terms of market value. Technology company Apple edged past it with a valuation of just under five trillion dollars.

Tuesday’s selling wave happened despite the fact that CXMT, which was listed on the Shanghai Stock Exchange in China, was shook the market with a record 466 percent price increase on its listing day.

The increase in valuation also made CXMT the largest company in terms of market value in China. On Tuesday, CXMT’s course fell by three percent.

Semiconductor companies the stock markets in certain Asian countries are now strongly swayed by increases and decreases in value.

South Korea’s Kospi index has already fallen by 25 percent from the peaks in June. The index is still 46 percent higher than at the beginning of the year.

In Japan, a similar course rocket has been the semiconductor company Kioxia, which was separated from Toshiba. In June, it became Japan’s most valuable company, overtaking Toyota, but now more than half of that valuation has already melted.

Tuesday Kioxian course fell by more than 18 percent.

Correction 7/28/2026 at 1:25 p.m.: Corrected Kioxia’s stated rate calculation date from Monday to Tuesday.