Stock Market Today, July 7: Eos Energy Slides After Power Project Selection News

Eos Energy Enterprises (EOSE) dropped 6.32% to $4.74 on July 7, 2026, erasing early gains tied to news that Frontier Power USA selected four battery storage projects from Stella Energy Solutions. The stock surged in premarket trading but reversed by midday, finishing in the red despite what appeared to be a positive industry development.

Volume spiked to 54.4 million shares, nearly double the three-month average, signaling heightened trader activity. The selloff extended beyond Eos—sector peers Fluence Energy and Stem also declined, pointing to broader weakness in battery storage equities.

The intraday reversal suggests traders either questioned the materiality of the Frontier Power announcement or took profits into the initial pop. The project selection involved Stella Energy Solutions, but the price action indicates the market failed to assign meaningful value to Eos from the news.