---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/40724196.md"
description: "$TDii(002491.SZ) has been the leading stock with consecutive gains in the optical fiber sector recently. It might hit the limit up again tomorrow. It was never an NVIDIA supplier; it's Corning. Corning supplies NVIDIA, same thing, hahaha, I'm just guessing."
datetime: "2026-05-13T12:52:28.000Z"
locales:
  - [en](https://longbridge.com/en/topics/40724196.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/40724196.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/40724196.md)
author: "[双双2026](https://longbridge.com/en/profiles/17201815.md)"
---

# $TDii(002491.SZ) has been the leading stock with c…


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