---
title: "U.S. stock night trading volatility: Flux Power plummeted 19% in after-hours trading: annual revenue decreased by 37%, and losses intensified raising liquidity concerns"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296547959.md"
description: "Flux Power fell 19.17% in after-hours trading; Vertiv rose 0.22% in after-hours trading, with a transaction volume of USD 74,500; EOS Energy Enterprises rose 0.29% in after-hours trading, with a transaction volume of USD 7,092; Sunrun rose 0.85% in after-hours trading, with a transaction volume of USD 4,596"
datetime: "2026-08-21T00:12:14.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296547959.md)
  - [en](https://longbridge.com/en/news/296547959.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296547959.md)
generator: "portal-rs"
---

# U.S. stock night trading volatility: Flux Power plummeted 19% in after-hours trading: annual revenue decreased by 37%, and losses intensified raising liquidity concerns

**U.S. Stock Night Market Movements**

Flux Power fell 19.17% in the night market. Based on recent key news:

1.  On August 20, Flux Power released its Q4 fiscal year 2026 financial report, showing a net income of -$2.3 million and an adjusted EBITDA of -$1.6 million, leading to increased market concerns about its profitability and a significant drop in stock price. Source: Reuters

2.  On August 20, Flux Power's annual revenue decreased by 37%, with a net loss of $7.4 million, primarily due to reduced orders from major customers, intensified competition, and tariff-related cost pressures, raising liquidity concerns in the market. Source: SEC announcement

3.  On August 20, despite a 25% quarter-over-quarter revenue growth in Q4, the annual performance declined due to capital freezes from major customers and macroeconomic headwinds, leading the market to be skeptical about its future growth potential. Source: Reuters Industry competition intensifies, tariff costs rise.

**Top Stocks by Industry Transaction Volume**

Vertiv rose 0.22% in the night market. Based on recent key news:

1.  On August 19, major Wall Street brokerages lowered Vertiv's 12-month target price, leading to a compression in valuation multiples and amplifying downward volatility during market declines. Vertiv's high price-to-earnings ratio makes it very sensitive to sentiment changes in AI infrastructure and operational issues from major data center clients. Source: Benzinga

2.  On August 21, Vertiv's annualized return over the past five years was 57.25%, significantly outperforming the market. Investor confidence in its long-term compound return capability has strengthened. Source: Benzinga Valuation pressures in the electrical equipment industry are emerging, requiring attention to risks.

EOS Energy Enterprises rose 0.29% in the night market. Based on recent key news:

1.  On August 20, trading activity in stock options for EOS Energy Enterprises significantly increased. According to Benzinga, the total cost for traders was $252,000, with each contract priced at $6,316, indicating increased market interest in the stock, driving the price up.

2.  On August 20, Simply Wall St released an analysis report indicating that EOS Energy Enterprises may be undervalued or overvalued. The report provided detailed valuation analysis, potential risks, dividends, and insider trading information based on historical data and analyst forecasts, enhancing investor confidence in the stock.

3.  No other significant news recently. Market interest in EOS Energy Enterprises has increased, and trading is active.

Sunrun rose 0.85% in the night market, with a transaction volume of $4,596, and there has been no significant news recently. Trading is active, with clear capital flows, and considering sector and industry trends, the stock shows significant volatility, with specific reasons needing further observation

### Related Stocks

- [FLUX.US](https://longbridge.com/en/quote/FLUX.US.md)
- [VRT.US](https://longbridge.com/en/quote/VRT.US.md)
- [EOSE.US](https://longbridge.com/en/quote/EOSE.US.md)
- [RUN.US](https://longbridge.com/en/quote/RUN.US.md)

## Related News & Research

- [Flux Power COO Jeff Mason resigns effective Sept. 25](https://longbridge.com/en/news/298770645.md)
- [Prediction: This underrated AI infrastructure stock will continue soaring despite doubling in a year](https://longbridge.com/en/news/298718770.md)
- [Promising Infrastructure Stocks To Research - September 11th](https://longbridge.com/en/news/298761771.md)
- [A Long-Term Bullish Trade Might Be The Ticket For This Stock](https://longbridge.com/en/news/298482668.md)
- [Western Digital And 2 Other Top Growth Stocks](https://longbridge.com/en/news/298348377.md)

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