Kioxia Shares Fall as Margin Debt Hits Record High
Listen to the story
Shares in Kioxia, a major Japanese chip maker, have dropped sharply in recent trading. A key reason is a record amount of margin debt tied to the stock.
Margin debt is money investors borrow from brokers to buy shares. Kioxia's margin debt has reached 920 billion yen, the highest level of any listed stock in Japan.
When many investors hold large amounts of margin debt, they often need to sell shares later to repay their loans. However, trading volume in Kioxia shares has fallen recently, which makes it harder to clear this backlog quickly. Analysts say this could keep pressure on the share price for some time.
Kioxia has also been hit by wider market worries. U.S. technology shares have weakened, and the stock price of Coreweave, a U.S. company, plunged sharply. This has made investors more cautious about chip-related companies like Kioxia.
At the same time, Kioxia faces growing competition from Chinese memory chip makers, who have become more active in the global market. This rising competition is seen as a long-term risk for Kioxia's business.
As a result of these pressures, Kioxia's market capitalization, the total value of all its shares, has shrunk to about one third of what it was just four months ago. This sharp decline shows how quickly investor sentiment toward the company has changed.
Market watchers say Kioxia's share price may stay weak until the large margin debt is reduced and confidence in the memory chip sector improves.
Vocabulary10 words
- margin debt
- money borrowed to buy shares
- trading volume
- how many shares are bought and sold
- plunged
- fell very suddenly and a lot
- competition
- companies fighting to sell more than others
- market capitalization
- the total value of a company's shares
- broker
- a person or company that helps you buy shares
- listed stock
- a company share that can be traded publicly
- backlog
- unfinished work that has built up
- investor sentiment
- how investors generally feel about a market
- pressure
- a force pushing something to change
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Quiz
Answer key
1. Money borrowed by investors to buy shares 2. It makes it harder for investors to sell and repay margin debt quickly 3. True
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Fill-in-the-blank listening
Play the audio again and fill in the missing words as you listen.
Shares in Kioxia, a major Japanese chip maker, have dropped sharply in recent _____. A key reason is a record amount of margin debt tied to the stock.
Margin debt is money investors _____ from brokers to buy shares. Kioxia's margin debt has reached 920 billion yen, the highest level of any listed stock in Japan.
When many investors hold large amounts of margin debt, they often need to _____ shares later to repay their loans. However, trading volume in Kioxia shares has fallen recently, which makes it harder to clear this backlog quickly.
Kioxia has also been hit by wider market worries. U.S. technology shares have weakened, and the stock price of Coreweave, a U.S. company, _____ sharply.
At the same time, Kioxia faces growing _____ from Chinese memory chip makers, who have become more active in the global market.
As a result of these pressures, Kioxia's market capitalization, the total value of all its shares, has shrunk to about one third of what it was just four months _____.
Discussion questions
- Why might a high level of margin debt keep pushing a share price down?
- How can weak performance of U.S. tech stocks affect a Japanese chip company like Kioxia?
- Why could rising competition from Chinese memory makers be a long-term risk for Kioxia?
- What might investors watch for before buying Kioxia shares again?

