Why did Plug Power stock tumble today and is it a buying opportunity?

Plug Power Inc. (NASDAQ: PLUG) opened nearly 20% down this morning after the hydrogen fuel cell specialist announced a $375 million convertible notes offering.

Investors are bailing on PLUG shares mostly because such offerings typically come with a material risk of dilution.

Still, there’s reason to consider loading up on them following the crash – especially since the firm plans on using the net proceeds to refinance about 15% of its debt.

At the time of writing, Plug Power stock is down more than 55% versus its high in early October.

Should you buy Plug Power stock on the pullback?

Long-term investors should consider buying PLUG stock on the weakness, as the convertible notes offering isn’t all negative for the Latham-headquartered firm.

Why? Because the company’s intent is to use the net proceeds to refinance its debt (especially high-interest or near-term maturities) – signalling proactive balance sheet management, not desperation for liquidity.

Simply put, refinancing will extend maturities and help Plug Power avoid default risk in the near term.

Additionally, Plug Power shares are going for less than 4x sales following the post-announcement slump, which makes them even more attractive as a long-term holding heading into 2026.

TD Cowen sees massive upside in PLUG shares in 2026

TD Cowen analysts also believe the convertible notes offering isn’t a strong enough reason to bail on Plug Power stock.

On Wednesday, the investment firm maintained its “buy” rating on the hydrogen fuel cell company, with its $4.0 price target indicating potential upside of well over 100% from current levels.

According to analysts, the Nasdaq-listed firm’s commitment to scaling its electrolyzer and material handling operations will drive PLUG shares higher in 2026.

Its reaffirmed financial targets and strong customer endorsements shared in a recent symposium – they added – demonstrate resilience.

While near-term losses are expected, TD Cowen believes execution toward profitability and long-term growth warrant investing in Plug Power, especially at the current, toned down price.

Plug Power’s chief executive has been buying stock

Investors should also note that despite a significant pullback in PLUG stock, it remains above its 200-day moving average (MA) – indicating the longer-term bullish trend remains intact.

In the near term, the renewable energy stock is attractive heading into the new year, also because historically (over the past four years), it has returned more than 14% on average in January.

More importantly, Andrew Marsh, the company’s chief executive, has recently bought Plug Power derivative contracts, indicating confidence in the company’s future.

What’s also worth mentioning is that other Wall Street analysts haven’t thrown in the towel on the hydrogen fuel cell specialist either.

While the consensus rating on Plug Power shares currently sits at “hold” only, the mean target of about $2.70 indicates potential upside of roughly 50% from here.

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