# Damnang’s Substack

Welcome to my Substack.

Here, I share in depth analysis of semiconductor technology, companies, and industry trends in a way that is still easy for non specialists to follow.

I hope you gain many valuable insights along the way.

Over 11,000 subscribers

## Company Deep Dives

In depth analysis of semiconductor companies, their technologies, strategic positioning, competitive edge, and what the market may still be missing.

### LATEST

#### [AAOI: Down 37% From Its Peak. Opportunity or Trap?](https://damnang2.substack.com/p/aaoi-down-37-from-its-peak-opportunity)

#### [The Laser Self-Supply Advantage, CPO as the Proving Ground, and Profit That Still Isn’t Proven](https://damnang2.substack.com/p/aaoi-down-37-from-its-peak-opportunity)

6 hrs ago•[Damnang](https://substack.com/@damnang)

#### [Coherent: The Company That Gets Stronger in the CPO Era](https://damnang2.substack.com/p/coherent-the-company-that-gets-stronger)

#### [Rethinking Coherent Through What Management Confirmed Directly](https://damnang2.substack.com/p/coherent-the-company-that-gets-stronger)

Jun 17•[Damnang](https://substack.com/@damnang)

#### [Catching Both Copper and Optics: ALAB and CRDO](https://damnang2.substack.com/p/catching-both-copper-and-optics-alab)

#### [Two Bets on the AI Connectivity Transition](https://damnang2.substack.com/p/catching-both-copper-and-optics-alab)

Jun 9•[Damnang](https://substack.com/@damnang)

#### [The Company That Shows Up No Matter Which Sector You Look At: A Full Anatomy of STM](https://damnang2.substack.com/p/the-company-that-shows-up-no-matter)

#### [The market is buying a glamorous customer list, but it’s margins that set the ceiling on the stock](https://damnang2.substack.com/p/the-company-that-shows-up-no-matter)

Jun 2•[Damnang](https://substack.com/@damnang)

#### [Why Is IBM Rising Again](https://damnang2.substack.com/p/why-is-ibm-rising-again)

#### [IBM’s Real Technical Moat and the Question of an AI-Era Re-Rating](https://damnang2.substack.com/p/why-is-ibm-rising-again)

Jun 1•[Damnang](https://substack.com/@damnang)

#### [Murata: The Stock You Missed If You Only Bought GPUs and HBM in the AI Rally](https://damnang2.substack.com/p/murata-the-stock-you-missed-if-you)

#### [The MLCC that goes into an AI server 20,000 at a time, and the one company holding 40% of it globally](https://damnang2.substack.com/p/murata-the-stock-you-missed-if-you)

May 31•[Damnang](https://substack.com/@damnang), [Nutty](https://substack.com/@nuttycld), and [PhotonCap](https://substack.com/@photoncap)