Shinhan Card Says 2,600 Merchant Records Confirmed as Credit Data Leak in 2025 Breach Shinhan Card said Wednesday that a financial regulator’s investigation found about 2,600 cases within a merchant data breach disclosed in December 2025 also involved leaked credit information. In a notice posted on its website, the company said the findings relate to a personal data leak that occurred on Dec. 23, 2025, and that the regulator confirmed additional exposure of credit information. Shinhan Card said it cannot individually notify 52 of the roughly 2,600 affected cases because April 23, 2026

Kakao Pay Securities Says Client Deposits Top 15 Trillion Won, Up 31% YTD Kakao Pay Securities said on April 23 that its client deposit assets topped 15 trillion won as of April 17, up 31.2% from the start of the year. The company cited strong inflows. Net inflows in the first quarter totaled 3.668 trillion won. Growth was led by Korean stocks: related assets rose 94% to 6.5323 trillion won from the point when they first exceeded 10 trillion won. The share of Korean stocks in total deposits increased to 44.2% as of April from 33.6% over the same period. Tax-ad April 23, 2026

Korea’s ‘Million-Won’ Stocks Jump to 9 as KOSPI Rally Lifts High-Priced Shares A new era of so-called “million-won stocks” is taking shape in South Korea as a market rally pushes more shares above 1 million won. In less than five months, the number of such stocks has grown to nine from four, and the pipeline of potential newcomers is also expanding. The Korea Exchange said the KOSPI closed Thursday up 57.88 points, or 0.90%, at 6,475.81, extending its run of three straight record closes. The index briefly topped 6,500 in intraday trading. The gains came despite exte April 23, 2026

KB Securities Q1 Operating Profit Jumps 101.7% to 453.1 Billion Won KB Securities said Wednesday that its first-quarter operating profit rose 101.7% from a year earlier to 453.1 billion won, based on preliminary results. Revenue climbed 179.5% to 8.3509 trillion won, and net profit increased 92.8% to 350.2 billion won. The company said market volatility has persisted as domestic and overseas uncertainties have increased, but it has continued to lead the market on the back of steady performance centered on investment banking. It said its competitiv April 23, 2026

Friday Forecast: Highs Near 77 Degrees, Big Day-Night Temperature Swings Friday the 24th is expected to be mostly sunny nationwide, with daytime temperatures rising to around 25 degrees Celsius, bringing a taste of early summer. The Korea Meteorological Administration said Thursday that morning lows will range from 4 to 11 degrees Celsius, with daytime highs of 15 to 25 degrees. That is similar to, or slightly higher than, seasonal averages of 5 to 11 degrees for lows and 18 to 22 degrees for highs. Forecast morning lows by major city are: Seoul 8C, Incheon April 23, 2026

Celltrion Starts Patient Dosing for Three ADC Cancer Drug Candidates Celltrion begins patient dosing for all three ADC cancer drug candidates Celltrion said April 23 that all three of its antibody-drug conjugate (ADC)-based cancer drug candidates have entered the patient-dosing stage. The candidates now being dosed are CT‑P70, CT‑P71 and CT‑P73. All three received U.S. Food and Drug Administration approval last year for investigational new drug (IND) applications for Phase 1 trials, the company said. Patient dosing for CT‑P70 and CT‑P71 began in the secon April 23, 2026

South Korea Requests Police Probe Into Illegal Vehicle Software Changes South Korea’s Ministry of Land, Infrastructure and Transport has asked police to investigate cases in which vehicle software was altered without authorization. In a press note released on the 23rd, the ministry said unauthorized software changes have continued to occur and it has requested a probe by the National Police Agency. The police agency plans to begin an investigation after receiving related materials from automakers, the ministry said. The ministry said it had already warned April 23, 2026

Retail Trading in Single-Stock Futures and Options in South Korea Triples Amid Rally As South Korea’s stock market rally continues, retail investors are increasing high-risk leveraged bets, with trading in derivatives tied to individual stocks surging more than threefold from a year earlier. The rise in debt-funded investing has also accelerated, prompting warnings that household investor risk is approaching dangerous levels. According to the Korea Exchange, retail investors traded 276.605 trillion won ($276,605,000,000,000) in domestic single-stock futures from January April 23, 2026

Hyundai Motor posts record first-quarter revenue as profit drops on tariffs, higher costs Hyundai Motor Co. said geopolitical uncertainty and rising costs weighed on its first-quarter results, even as sales in its biggest export market, the United States, held up. The automaker pointed to tariffs, higher raw material prices and currency moves as key drags, and said it plans to lean more on hybrids and other eco-friendly models to regain momentum. In a preliminary earnings filing on Wednesday, Hyundai said first-quarter operating profit on a consolidated basis fell 30.8% from a April 23, 2026

SK hynix Profit Surge Fuels Bonus Pressure as Big Chip Investments Loom SK hynix has posted a record first-quarter operating profit of more than 37 trillion won, prompting talk that it could climb into the world’s No. 4 spot on an annual basis. But as earnings surge, management faces rising pressure from the labor union over performance bonuses, adding to the company’s burden. According to securities-industry consensus estimates released on April 23, SK hynix is projected to post 358.037 trillion won in revenue this year, with operating profit as high as 27 April 23, 2026