SK Hynix Shares Fall Sharply on Analyst Downgrades and ADR Valuation Gap

Shares of SK Hynix Inc. (KS:000660) tumbled 5.4% to close at ₩1,746,000 in Seoul on Tuesday, deepening a selloff that began after the company's successful American Depositary Receipt (ADR) debut on the Nasdaq last week. The drop occurred in volatile trading, with the stock initially rising nearly 5% before reversing course.

Analyst Downgrades Hit Sentiment

A primary catalyst for the decline was a series of downward revisions to the company's second-quarter earnings outlook from several key brokerages. Firms including Korea Investment Securities, Mirae Asset Securities, and Hyundai Motor Securities all trimmed their operating profit estimates for SK Hynix.

The analysts cited two main factors for the lowered forecasts:

• Weaker Memory Prices: Average selling prices (ASPs) for high-bandwidth memory (HBM) were lower than previously anticipated.
• Softer DRAM Growth: The growth in DRAM bit shipments is expected to be softer than consensus expectations, potentially impacting revenue.

ADR Listing Creates Valuation Pressure

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The chipmaker's record-setting $26.5 billion Nasdaq listing on July 10 has created a structural valuation challenge. Analysts noted that a valuation gap of more than 20% has emerged between the company's U.S.-listed ADRs and its domestic shares in South Korea.

This disparity is reportedly prompting some domestic investors to sell their Seoul-listed stock and reallocate capital into the U.S.-listed ADRs to capture the difference. The blockbuster debut has effectively established a new valuation benchmark that the domestic shares are now being measured against.

Broader Market Headwinds

The selloff is compounded by a weak broader market environment. South Korea's benchmark KOSPI index opened lower on Tuesday, remaining under pressure after a circuit breaker was triggered during a nearly 9% plunge in the previous session. Geopolitical tensions following U.S. military action in Iran also weighed on Korean market sentiment over the weekend.

Adding to the negative tone, U.S. markets saw declines overnight, with the tech-heavy Nasdaq Composite falling 1.6% and the S&P 500 dropping 0.8%. This retreat in U.S. equities has created further headwinds for global semiconductor stocks.