SES AI Corp shares plummeted by 30% following the release of its fourth-quarter financial results and future sales outlook. The sharp decline was primarily triggered by the company's 2026 revenue guidance, which fell significantly short of Wall Street analyst expectations. While the company reported mixed financial performance for the final quarter of the year, investor focus shifted heavily toward the weak long-term forecast. The disappointing guidance suggests a slower-than-anticipated commercialization path for its proprietary lithium-metal battery technology. This massive single-day sell-off reflects a major revaluation of the firm's growth prospects and a notable decline in investor confidence regarding its position in the EV sector.
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