---
title: "Plug Power Inc. Stock Underperforms Monday When Compared To Competitors"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286821689.md"
description: "Plug Power Inc. (PLUG) shares fell 8.73% to $3.45 on Monday, marking the third consecutive day of losses. The stock is 24.67% below its 52-week high of $4.58. In comparison, competitors had mixed results: Air Products & Chemicals Inc. fell 0.70%, Procter & Gamble rose 0.58%, and Ballard Power Systems fell 2.70%. Trading volume was 86.0 million, surpassing the 50-day average of 77.3 million."
datetime: "2026-05-18T21:28:24.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286821689.md)
  - [en](https://longbridge.com/en/news/286821689.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286821689.md)
---

# Plug Power Inc. Stock Underperforms Monday When Compared To Competitors

This article was automatically generated by MarketWatch using technology from Automated Insights.

Shares of Plug Power Inc. (PLUG) shed 8.73% to $3.45 Monday, on what proved to be an all-around mixed trading session for the stock market, with the Dow Jones Industrial Average rising 0.32% to 49,686.12 and the NASDAQ Composite Index falling 0.51% to 26,090.73.

This was the stock's third consecutive day of losses.

Plug Power Inc. closed 24.67% short of its 52-week high of $4.58, which the company reached on October 6th.

The stock underperformed when compared to some of its competitors Monday, as Air Products & Chemicals Inc. (APD) fell 0.70% to $293.31, Procter & Gamble Co. (PG) rose 0.58% to $142.39, and Ballard Power Systems Inc. (BLDP) fell 2.70% to $4.33.

Trading volume (86.0 M) eclipsed its 50-day average volume of 77.3 M.

Data source: Dow Jones Market Data, FactSet. Data compiled May 18, 2026.

This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.

(END) Dow Jones Newswires

05-18-26 1728ET

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