NYSE:HYLN 22 May 2026 - 23 May 2026

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Hyliion Shares Jump 43% As Navy Sea-Trial News Drives HYLN Higher

Hyliion Holdings Corp. shares jumped Friday. The small-cap power developer drew attention after a U.S. Navy-related sea-trial plan brought its KARNO technology back into the spotlight, making it one of the week’s active market movers.

23 May 2026

Electric Vehicles·NYSE:HYLN·Stock Market·Technology

Hyliion shares climb after Navy trial spotlights KARNO tech

Hyliion Holdings Corp. surged on Friday, with shares trading near $6 after a spike to $6.24. Investors piled in after news on the company’s KARNO platform and an update from a U.S. Navy sea trial. Shares were up about 40% from Hyliion’s $4.20 close on May 21. Quoted volume topped 15 million shares.

22 May 2026

Green Energy·NYSE:HYLN·Stock Market

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