04.29 US Stocks: Missed SNDK and LITE, which other companies are worth watching? Introduction to 20 AI sector companies. Waiting for the after-hours earnings report.
$Microsoft(MSFT.US) $Meta Platforms(META.US) $SPDR S&P 500(SPY.US)
Recently, we have been focusing on tracking and analyzing these popular companies (including technical analysis).
Here we introduce 10 of them, and the remaining 10 are introduced in the lower right corner of the image (including a small company that might stage a dramatic reversal and the "high elasticity" companies in the table).
$Nova(NVMI.US): The "Guardian" of yield in the HBM4 era, with high gross margins and extreme stability.
$Tower Semicon(TSEM.US) Silicon Photonics (SiPh) leader Market cap $21.6B Gross margin: 54%–57% 28x Core catalyst: Over 60% capacity gap for SiPh chip foundry in 1.6T optical modules. Besides the optical module makers themselves, a stable underlying "water seller".
| Code | Sector | Current Market Cap (B $) | Gross Margin | Forward PE | Core Catalyst (2026 Q2) | Key Partners | Risk Level |
|---|---|---|---|---|---|---|---|
| GLW | Specialty Materials | 1352 | 52%–55% | 19x | Glass carrier penetration in advanced packaging | LITE, TSMC, Intel | Low |
| WDC | AI Storage | 1447 | 45%–50% | 18x | Spin-off completion + SSD price hike cycle | Google, Amazon, Microsoft | Medium |
| VRT | Liquid Cooling + Power | 1158 | 42%–45% | 38x | Liquid cooling becoming standard for Blackwell | NVIDIA, Google, Microsoft | Low |
| APD | Specialty Gas | 676 | 54%–57% | 21x | Surge in ultra-high purity gas demand for 2nm/HBM | TSMC, Micron | Low |
| MCHP | Control Chips | 481 | 52%–55% | 24x | Liquid cooling MCU demand +190% | Vertiv, NVIDIA | Medium |
| TER | Test Equipment | 500 | 54%–57% | 26x | Large-scale refresh of HBM3E/4 testers | NVIDIA, AMD, TSMC | Low |
| CRDO | High-Speed Interconnect | 311 | 59%–62% | 34x | Volume orders for Blackwell AEC copper cables | NVIDIA, Microsoft | Medium |
| TSEM | Silicon Photonics (SiPh) | 216 | 54%–57% | 28x | 60% capacity gap for SiPh chip foundry in 1.6T optical modules | Optical module makers | Medium |
| FN | Optical Module Foundry | 227 | 51%–54% | 24x | Sustained full capacity at overseas foundries | NVIDIA, LITE | Medium |
| MTSI | Optical Detectors | 200 | 62%–65% | 35x | Technology barrier benefits for 1.6T/3.2T detectors | NVIDIA, Zhongji Innolight | Medium |
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