Russian diplomat warns against 'catastrophic' strikes on Iran's nuclear facilities

TradingKey - On April 21, Beijing time, SK Hynix shares rose nearly 5% during Tuesday’s intraday trading, with the stock price exceeding 1.22 million KRW for the first time to hit an all-time high. The KOSPI index also refreshed its record, reaching 6,355.39 points during the session. The global memory chip industry is currently in a long-cycle upswing, and SK Hynix is one of the primary beneficiaries.

TradingKey - According to an internal Apple memo on April 20 (ET), John Ternus, Senior Vice President of Hardware Engineering, will officially succeed Tim Cook as the company’s CEO effective September 1.

TradingKey - In early Tuesday (April 21) trading, South Korea’s benchmark KOSPI index rose as much as 2.2%, breaking through the 6,300 mark and hitting a record high of 6,355.39, erasing all losses since the outbreak of the war in Iran.

TradingKey - April 20: Major Asia-Pacific stock markets rose across the board on Monday, buoyed by widespread gains in global equity markets over the weekend and growing investor expectations for a de-escalation of tensions in the Middle East.

TradingKey - On April 14, 2026, SK Hynix shares extended their rally, breaking the 1.1 million won mark intraday and hitting an all-time high of 1.13 million won. The company’s total market capitalization subsequently climbed to approximately 110 trillion won (about $80 billion), firmly securing its position as the second-largest company by market value in the South Korean stock market, trailing only Samsung Electronics. Looking back over the past few years, SK Hynix's stock price has been characterized by significant volatility. During the global memory chip industry’s cyclical downturn in 2022, the share price once dropped below 80,000 won. Driven by the explosive growth in demand for AI computing power, the company achieved a dual recovery in earnings and valuation through its forward-looking strategic positioning in the HBM (High Bandwidth Memory) sector. Entering 2026, the rally further accelerated, with a year-to-date (YTD) gain exceeding 35%, while the benchmark KOSPI index rose by less than 3% during the same period.