---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/42850811.md"
description: "$Tuttle Capital Pure Play Photonics ETF(FOTO.US), $Corgi Lithography &amp; Smcndctr Phtncs ETF(EUV.US) both rose by 7 to 9 points. The expected penetration of silicon photonics and optical interconnects into AI data centers is becoming increasingly strong. This basket-style product containing photonics and semiconductor targets can better absorb sector-level capital flows compared to individual stocks, with more concentrated elasticity 😸"
datetime: "2026-07-22T10:04:13.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42850811.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42850811.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42850811.md)
author: "[见山是山](https://longbridge.com/en/profiles/27042472.md)"
---

# $Tuttle Capital Pure Play Photonics ETF(FOTO.US), …


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