Memory Semiconductor Plunge and Sector Shifts Across Healthcare and EV
섹터 동향 | Thu Jul 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7 sources
Memory's big four corrected over 30%, Tesla approached its 52-week low, and Medicare policy changes drove capital rotation across sectors.
Analysis
[Micron·Sandisk·Western Digital·Seagate] declined together across the four major memory and storage stocks [3]
- Micron and Seagate down about 35% from 52-week highs
- Western Digital down about 42%
- Sandisk down about 53%
- DRAM
- NAND
- and HDD businesses sold off as a single trade despite being heterogeneous
- Micron Q3 revenue $41.5 billion
- more than quadrupling year-over-year
[Tesla] approached within 3% of its 52-week low with profit margin concerns unlike past cycles [5]
- Tuesday close of $307.44
- near 52-week low of $297.82
- Plunged about 15% in a single day following Q2 earnings
- Q2 deliveries of 480
- 126 units and revenue up 26%
- but operating income down 57%
- Operating margin narrowed to 1.4% from 4.1% a year earlier
[Medicare Part D / Medicare Advantage] reshaped the sector landscape as the Trump administration ended a premium support program early [1][2]
- Upward pressure on prescription drug plan (Part D) premiums
- Expected migration of enrollees to Medicare Advantage plans
- Pharma companies including Teva also affected by Medicare rule changes
[Revolution Medicines] outperformed major pharma stocks on strong oncology pipeline [4]
- Share price up 132% year-to-date
- Significantly outpaced returns of Eli Lilly
- Johnson & Johnson
- and AbbVie
- daraxonrasib outperformed standard of care in metastatic pancreatic cancer trial
- $39 billion market cap with valuation concerns given no commercialized products
[South Korea Kospi / Single-Stock Leveraged ETFs] inflicted heavy losses on leveraged ETF investors amid the semiconductor plunge [7]
- KODEX SK Hynix 2x leveraged ETF down over 80% since June 23
- Samsung-tracking product also down about 75% from its peak
- Kospi down about 35% over the past month
- Financial Services Commission considering restricting access to professional investors and reducing leverage multiples
[China Humanoid Robot Industry] identified by Morgan Stanley as facing a 'PR problem' hindering the boom's expansion [6]
- China's humanoid robot commercialization potential highlighted
- Public perception and PR issues impeding market expansion
Sources
- [1] Rising Medicare Part D premiums could drive more people into Medicare Advantage plans - MarketWatch Top Stories
- [2] Teva CEO on Drug Pipeline, Direct Listing on NYSE - Bloomberg Markets
- [3] The Memory Crash Has 4 Big Stocks Down 30% or More From Their Highs. I'd Buy 2 of Them. - The Motley Fool
- [4] Meet the Stock That's Obliterating Eli Lilly, Johnson & Johnson, and AbbVie Right Now - The Motley Fool
- [5] Tesla Closed Tuesday 3% Above Its 52-Week Low. Here's What Happened the Last 3 Times It Got This Close. - The Motley Fool
- [6] 'PR problem' is standing in the way of China's humanoid robot boom, says Morgan Stanley - CNBC World Markets
- [7] Minister apologizes as Korean leveraged ETF investors nurse heavy losses amid chip stock rout - CNBC World Markets