On the 15th, four stocks—Bioinfra, Newintech, Hyper Corporation, and A&P—hit the intraday upper price limit on the domestic stock market, showing strong upward momentum.

Among them, Bioinfra has reached the upper limit for five consecutive trading days, while Newintech and Hyper Corporation have each done so for three consecutive days, drawing keen market attention.

Bioinfra, 5th Consecutive Upper Limit

Bioinfra rose 29.98% on the day, trading at 2,575 won, up 594 won from the previous close of 1,981 won. The stock has climbed to its price limit for five straight trading days. Trading volume totaled 261,292 shares.

Newintech and Hyper Corporation, 3rd Consecutive Upper Limit

Newintech climbed exactly 30.00%, trading at 780 won, up 180 won from the previous day. It jumped straight to its price limit from the prior close of 600 won, extending its upper-limit streak to three consecutive trading days. Trading volume was tallied at 3,532,210 shares.

Hyper Corporation also recorded its third consecutive upper limit. Its share price rose 29.82% to 3,265 won, up 750 won from the previous close of 2,515 won, continuing an upward trend that began at the end of last month. In the market, some have suggested that news related to a rights offering may have influenced the stock price, but the specific causal relationship needs to be confirmed through disclosures and supply-and-demand data.

A&P Records Highest Volume Among the Four at 7.02 Million Shares

A&P gained 29.79%, trading at 379 won, up 87 won from the previous close of 292 won, reaching the upper limit for the second consecutive trading day. Its trading volume of 7,021,300 shares was the largest among the four stocks.

When Did They Hit the Upper Limit, and What Were the Buy Orders?

The timing of reaching the upper limit varied. Bioinfra hit the limit at 9:02:33 a.m., Hyper Corporation at 9:06:50 a.m., Newintech at 9:13:57 a.m., and A&P at 9:24:36 a.m.

Regarding outstanding buy orders at the upper limit, A&P recorded 487,777 shares and Newintech 487,113 shares. Bioinfra tallied 127,565 shares and Hyper Corporation 70,588 shares. However, these figures represent orders accumulated at that point in time and do not guarantee actual executions or future price gains. The outstanding amounts may change as orders are canceled or new ones placed.

Caution Needed on Volatility for Surging Stocks

With multiple stocks on consecutive upper-limit streaks, attention is also focusing on the reasons behind each stock's rise and their future volatility. In particular, stocks whose prices have surged in a short period may see trading patterns shift rapidly once the upper limit is released, warranting careful monitoring. Whether these four stocks can maintain their upper limits until the market close, and whether profit-taking moves will trigger price swings, will be the key focus for the remaining trading hours.

[This article was written based on intraday market prices and does not constitute a recommendation to invest in any specific stock. Upper-limit records and outstanding buy orders do not guarantee future price increases. Investment decisions and responsibilities rest with the investor, and this article was written with AI assistance.]