Plug Power (PLUG) stock soared 5.47% in pre-market trading on Wednesday, continuing its upward momentum from the previous sessions. The hydrogen fuel cell maker's shares have been on a roll, with multiple factors contributing to investor optimism.

A key driver of the recent surge is the news that Plug Power's Chief Financial Officer, Paul Middleton, has purchased 650,000 shares of the company's stock on the open market. This significant insider buying has boosted investor confidence, as it signals management's belief in the company's future prospects. Additionally, the stock's potential for a short squeeze is attracting speculative interest, with nearly 30% of its float currently held short.

The pre-market rally also follows Plug Power's recent announcement of a $5.5 billion deal in Uzbekistan, which has reignited enthusiasm for the company's growth potential. Despite ongoing challenges, including continued losses and potential risks related to clean energy policies, Wall Street analysts maintain a cautiously optimistic outlook. The mean target price suggests a potential upside of more than 56% from current levels, although the consensus rating remains at "Hold". As Plug Power continues to navigate its financial challenges and market opportunities, investors will be closely watching for signs of improved execution and profitability.