---
type: "Topics"
locale: "zh-HK"
url: "https://longbridge.com/zh-HK/topics/42338749.md"
description: "$Tuttle Capital Pure Play Photonics ETF(FOTO.US)小漲，$Tema Space Innovators ETF(NASA.US)漲了四個點，都是那種規模很小、跟着細分主題情緒走的產品，成交量本來就稀薄，波動比正股更容易被放大。這類小眾主題 ETF 與其説是在定價基本面，更像是在給一個故事投票😸"
datetime: "2026-07-01T10:54:09.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42338749.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42338749.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42338749.md)
author: "[见山是山](https://longbridge.com/zh-HK/profiles/27042472.md)"
---

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


### 相關股票

- [FOTO.US](https://longbridge.com/zh-HK/quote/FOTO.US.md)
- [603166.CN](https://longbridge.com/zh-HK/quote/603166.CN.md)
- [NASA.US](https://longbridge.com/zh-HK/quote/NASA.US.md)