---
title: "STAK Stock Plunges As Traders Unwind Friday’s Massive 602% Rally"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293954357.md"
description: "STAK Inc. shares plummeted over 62% on Monday, reversing Friday's massive 602% surge. The decline was driven by profit-taking and momentum reversal rather than negative company-specific news. Despite the sharp drop, momentum analysis remains bullish, though the selloff may signal a trend reversal."
datetime: "2026-07-27T15:43:30.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293954357.md)
  - [en](https://longbridge.com/en/news/293954357.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293954357.md)
generator: "portal-rs"
---

# STAK Stock Plunges As Traders Unwind Friday’s Massive 602% Rally

**STAK Inc.** (NASDAQ:STAK) shares fell more than 62% in Monday trading as investors sharply repriced the oilfield-equipment stock following Friday’s 602% surge.

The stock closed Friday at $9.27 after rising from $1.32, with volume reaching approximately 67.08 million shares.

## What Caused STAK’s Drop?

No new negative company-specific catalyst was cited. The selloff appears primarily driven by profit-taking and a momentum reversal after Friday’s extraordinary rally.

Thin order books and wide spreads may have amplified the decline as early sellers unwound speculative positions. 

STAK’s previously announced plan to establish a U.S. subsidiary focused on modular gas-to-electricity systems for AI data centers remains background context, but it does not explain Monday’s selloff.

## How STAK Operates

STAK develops, manufactures, and sells specialized oilfield production and maintenance equipment.

Its products include oil-pumping trucks, well-repair trucks, fracking trucks, well-flushing and wax-removal trucks, boiler trucks and automation systems used in oilfield operations.

## STAK Stock Momentum Analysis and Verdict

Below is the Benzinga Edge scorecard for STAK Inc., highlighting its strengths and weaknesses compared to the broader market:

-   **Momentum**: Bullish (Score: 99.92) — The stock has been showing strong relative strength versus the broader market based on Edge’s momentum model.

**The Verdict:** STAK’s Edge score shows strong momentum, but the sharp drop could signal a trend reversal.

## STAK Stock Price Activity

**STAK Stock Price Activity:** STAK shares were down 62.08% at $3.52 at the time of publication on Monday, according to Benzinga Pro data.

*Photo: Shutterstock*

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

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**