---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/40142759.md"
description: "Although I've researched IGV, my portfolio has already taken the shape of SOXX….The risk of holding a single category is still very high, and it's worth thinking about how to optimize it further.$TTM Tech(TTMI.US)$Marvell Tech(MRVL.US)"
datetime: "2026-04-23T14:38:09.000Z"
locales:
  - [en](https://longbridge.com/en/topics/40142759.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/40142759.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/40142759.md)
author: "[长崎素世的交易员](https://longbridge.com/en/profiles/14157550.md)"
---

# Although I've researched IGV, my portfolio has alr…


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