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Fluence Energy (FLNC) Shares Skyrocket, What You Need To Know


Radek Strnad /
2025/12/09 2:16 pm EST

What Happened?

Shares of electricity storage and software provider Fluence (NASDAQ:FLNC) jumped 5.2% in the afternoon session after the stock rebounded from a sell-off in the previous session that was triggered by an analyst downgrade. The stock fell in the prior trading session after Mizuho downgraded the company's rating to Underperform from Neutral. The analyst who made the call pointed to concerns over the company's high valuation. However, this negative sentiment was countered by positive operational news. Fluence's UK subsidiary and partner Varco Energy announced that the first phase of their Sizing John battery storage project had entered full commercial operation. Additionally, Fluence was selected to expand the site in a second phase, a sign of continued business momentum. The rebound suggested that investors may have shifted their focus to the company's project progress rather than the analyst's valuation concerns.

After the initial pop the shares cooled down to $23.85, up 4.1% from previous close.

Is now the time to buy Fluence Energy? Access our full analysis report here.

What Is The Market Telling Us

Fluence Energy’s shares are extremely volatile and have had 88 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.

The previous big move we wrote about was 1 day ago when the stock dropped 7.5% on the news that Mizuho downgraded the company's stock to Underperform from a Neutral rating. The downgrade came from an analyst who pointed to concerns over the company's high valuation. While the analyst acknowledged increased demand for battery storage and better profit margins, they expressed doubts about the conversion of its data center pipeline and the integration of a new battery cell line. The firm remained wary due to ongoing production challenges, even as it raised its price target on the stock to $15.00 from $9.00. The negative sentiment from the downgrade appeared to overshadow other company news about completing the first phase of a battery storage project in the U.K.

Fluence Energy is up 41% since the beginning of the year, and at $23.85 per share, it is trading close to its 52-week high of $23.96 from December 2025. Investors who bought $1,000 worth of Fluence Energy’s shares at the IPO in October 2021 would now be looking at an investment worth $681.40.

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