Amprius Technologies Operating Inc's stock surged 8.82% during intraday trading on Tuesday, following the company's announcement of its upcoming first-quarter earnings conference call.

The battery technology company revealed it will hold a conference call and webcast on May 7, 2026, to discuss financial results for the first quarter ended March 31, 2026. The announcement of the earnings call date appears to have generated positive investor sentiment ahead of the financial results release.

Amprius Technologies specializes in silicon anode lithium-ion batteries with applications in aerospace, defense, and mobility sectors. The company's advanced battery technology delivers up to twice the energy density of conventional graphite-based cells, positioning it in growing markets for electric vehicles and aviation applications.