South Korean memory chipmaker SK Hynix completed its historic debut on the Nasdaq last week, and regular trading under its permanent ticker begins Monday, marking a milestone moment for the AI-driven memory boom that has transformed the once-overlooked semiconductor sector. Here are 10 key things to know about the listing.

The offering was the largest-ever US equity listing by a foreign company. SK Hynix priced its American depositary shares at $149 apiece, raising approximately $26.5 billion, a figure that topped Alibaba's previous record of $25 billion set in 2014. The deal ranks as the world's second-largest stock sale on record, trailing only Elon Musk's SpaceX, which went public roughly a month earlier.

Shares surged on their first day of trading. The stock opened at $170 on Friday, July 10, and closed the session up roughly 13% at $168.01, giving US investors their first real-time confirmation of strong demand for a direct stake in the AI memory boom. Institutional orders during the offering's bookbuilding process reportedly exceeded available shares by more than seven times.

Trading tickers are changing this week. Shares traded Friday under the temporary "when-issued" ticker SKHYV, and are scheduled to convert to the company's permanent ticker, SKHY, when regular trading begins Monday, July 13, according to Nasdaq's official trader notice.

Each American depositary share represents a fraction of the company's Korean-listed stock. The offering consisted of 177.9 million ADSs, with each ADS representing one-tenth of a full share of SK Hynix's common stock as........

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