Jun 6, 2026
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Photon, KCS, Xgate in Focus... Is Investment Sentiment Reviving for Quantum Computing Stocks?

With global big tech companies expanding their research and development investments, quantum computing technology is emerging as a next-generation information t

심우일 기자
Staff Reporter
6 min read
포톤·케이씨에스·엑스게이트 주목…양자컴퓨팅 관련주 투자심리 살아나나
양자컴퓨터 자료사진. AI가 생성한 이미지. / CBC News

With global big tech companies expanding their research and development investments, quantum computing technology is emerging as a next-generation information technology innovation sector. Accordingly, investment sentiment for quantum technology-related stocks is also reviving in the domestic stock market.

During the afternoon session on the 4th, Photon, highlighted as a stock linked to quantum computing and next-generation semiconductor technology, showed high volatility, trading above 3,000 won.

Companies related to quantum cryptography and security technology also garnered investor interest. KCS rose 2.26% to 14,040 won, and Xgate climbed 1.26% to 19,330 won. Dream Security and Korea Information Certificate Authority also showed strong trends, rising 0.95% and 1.69%, respectively.

Telecommunications infrastructure stocks also moved in tandem with the quantum technology theme. Woorinet surged 4.03%, Solid 5.27%, and Wooriro 6.20%, attracting market attention. On the other hand, differentiated trends emerged among specific stocks, with Raon Secure falling 3.21% and Hangsam With dropping 2.18%.

Quantum computing is evaluated as a next-generation technology capable of processing problems much faster than existing supercomputers can solve. As its potential applications are discussed in various fields such as artificial intelligence (AI), new drug development, financial modeling, cryptography decoding, and advanced materials research, global technological competition is also intensifying.

In particular, as the quantum computer era begins in earnest, changes in existing security systems are expected to be inevitable, which is expanding interest in quantum cryptographic communication and information security technologies. Accordingly, an analysis suggests that companies in the security, telecommunications, and optical communication sectors often move in conjunction with the quantum computing theme.

The securities industry advises that since the quantum computing market is still in its early stages, it is necessary to distinguish between short-term thematic movements and actual business performances. However, given the continued expansion of investments by global tech companies, market interest in related industries is expected to persist for the time being.

[This article was assisted by AI in organizing disclosed data and structuring sentences. The final content was produced through fact-checking and an editorial process. The information contained in this article is not intended to solicit investment, and the judgment and responsibility for investments lie solely with the investor. As market conditions and corporate-related information are subject to future changes, please be sure to verify disclosures and official materials before investing.]

심우일 기자
Staff Reporter

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