Former TSMC co-CEO Mark Liu’s recent $8 million purchase of Micron shares represents a significant vote of confidence in the company’s trajectory. Executed at a time when Micron’s stock has already rallied more than 200% over the past year, Liu’s stake implies he believes the rally still has room to run. His acquisition follows a 40% gain in just 21 trading days and suggests that an industry insider views current valuations as attractive relative to long-term growth prospects in high-bandwidth memory (HBM).

Micron’s latest quarterly results highlighted the strength of its HBM business, with revenue rising 56% year-over-year to $13.6 billion and operating cash flow jumping to $8.4 billion from $3.2 billion a year earlier. Growth in HBM demand for AI applications has positioned Micron among the only three companies globally capable of producing this specialized memory at scale. Management projects exponential HBM demand growth over the next decade, reinforcing margins—gross profit margin exceeded 45% in the most recent quarter—and supporting capital deployment for capacity expansion.

Despite its recent rally, Micron trades at a forward price-to-earnings multiple near 11x, well below the broader technology sector average of 26x. This valuation discount reflects both the memory industry’s historical cyclicality and the market’s cautious stance on potential downturns. Yet, with consensus estimates forecasting double-digit revenue growth next year—driven primarily by data center HBM consumption—and limited competition in the HBM niche, the current multiple may understate the durability of cash flows and earnings growth.

Investors should remain aware of Micron’s cyclical risk profile: over the last several years, the company’s stock has experienced more than ten drawdowns of 30% or greater within two-month periods, erasing billions in market capitalization in rapid sell-offs. While the long-term outlook for HBM is robust, short-term fluctuations in memory pricing and end-market inventory adjustments can lead to significant share price volatility. Risk-adjusted positioning may therefore require portfolio diversification or hedging strategies to manage potential downside events.