SK Hynix Inc., the South Korean memory chipmaker, successfully raised $26.5 billion in its American depositary receipt (ADR) offering on July 9, 2026. This monumental debut on the US market marks the largest ever first-time share sale by a foreign company in the United States. The company sold 177.9 million ADRs at a price of $149 each. Each ADR represents one-tenth of a common share traded in Seoul.
The offering saw significant demand, being heavily oversubscribed and attracting strong institutional interest. It surpassed Alibaba's previous record for the largest foreign enterprise IPO in the US. This successful listing is seen as a crucial "litmus test for Wall Street's AI investment enthusiasm" and reflects the value within the AI memory sector.
The broader market also experienced a rally in chip stocks, contributing to higher closes for the Nasdaq, S&P 500, and Dow Jones. This surge in the semiconductor sector, partly fueled by the SK Hynix offering and Micron Technology's $250 billion AI-focused investment plan, helped offset concerns regarding escalating geopolitical tensions between the US and Iran. The Philadelphia Semiconductor Index rose 3.06%, with memory stocks like Micron Technology (up 4.52%), SanDisk (up 7.59%), Western Digital (up 5.04%), and Seagate Technology (up 3.50%) seeing gains.
Despite geopolitical uncertainties and the Federal Reserve's cautious stance on potential rate hikes due to AI-driven inflation concerns, market sentiment was buoyed. Stable jobless claims and receding oil prices also contributed to the positive market movement, with investors looking towards the upcoming earnings season where tech companies are expected to show strong growth.