Stocks related to quantum cryptography, information security, and communications security were broadly strong in intraday trading on the 4th. Aton and FineTec led the rally with gains of 8-9%, while Satoshi Holdings, Raon Secure, XGate, and SK Telecom also rose.

■ Aton Up 9.26%, FineTec Up 8.54%

As of this morning, Aton was trading at 4,895 won, up 415 won (9.26%) from the previous session. After opening at 4,590 won, it rose to as high as 4,980 won intraday.

FineTec was up 121 won (8.54%) at 1,538 won. It soared to 1,723 won intraday, with trading volume exceeding 610,000 shares.

■ Security and Telecom Stocks Rise Together

Satoshi Holdings gained 6.11% to 3,215 won, and Raon Secure rose 5.75% to 9,010 won. XGate climbed 4.74% to 11,270 won, and SK Telecom rose 4.61% to 93,100 won.

KCS (4.16%, 8,770 won), Dream Security (3.96%, 2,050 won), and Hancom With (3.56%, 3,785 won) were also strong. ITCEN PN&E rose 2.98%, Korea Information Certificate Authority 2.82%, Korea Advanced Materials 2.70%, and Woorinet 2.60%, in that order.

QSI (2.03%), ALT (1.78%), ICTK (1.71%), Solid (1.67%), Wooriro (1.48%), and Photon (1.38%) also continued their upward trend.

Among telecom stocks, KT rose 0.56% to 54,100 won, while LG Uplus fell 0.10% to 14,795 won. Lanix declined 0.63% and MSDI 1.49%.

■ Difficult to Attribute to a Single Catalyst

In today's trading, security and authentication stocks rose alongside communications infrastructure stocks. In particular, security-related names such as Aton, Raon Secure, XGate, and Dream Security posted relatively large gains.

However, as these companies operate in different business areas—quantum cryptography, information security, and communications equipment—it is difficult to attribute their movement to a single catalyst. Intraday share prices and gains may also vary depending on changes in supply and demand.

[※ This article was written for the purpose of providing information about the stock market and does not recommend the purchase or sale of specific stocks or guarantee investment returns. Stock investing may result in loss of principal depending on market conditions, and investment decisions and the responsibility for them rest with the investor. Intraday prices and trading volumes presented in the article are subject to change. This article was written with AI assistance.]