---
title: "Why Napco Security Technologies stock plummeted today"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/285130444.md"
description: "Even though the stock suffered a big sell-off today, Napco is still up 67% over the last year."
datetime: "2026-05-04T22:27:18.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/285130444.md)
  - [en](https://longbridge.com/en/news/285130444.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/285130444.md)
---

# Why Napco Security Technologies stock plummeted today

Even though the stock suffered a big sell-off today, Napco is still up 67% over the last year.

### Related Stocks

- [NSSC.US](https://longbridge.com/en/quote/NSSC.US.md)

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