Amber International shares surge 70.89% premarket following share repurchase program and 2025 revenue guidance.

Amber International Holding (AMBR) surged 70.89% in premarket trading following the announcement of a share repurchase program and revised 2025 revenue guidance. The move signals management’s confidence in business growth and shareholder value, which has historically driven sharp price swings. Despite a year-to-date decline of 77%, the recent rally reflects investor optimism about the company’s strategic initiatives, including its focus on digital asset wealth management. The stock’s elevated price-to-sales ratio of 45.9x, well above industry peers, underscores aggressive market expectations for future revenue expansion. However, ongoing net losses and a DCF model suggesting a fair value below the current price indicate potential overvaluation. The premarket jump aligns with the immediate positive sentiment around the buyback and guidance, though long-term sustainability remains uncertain without consistent profitability.