Eos Energy Enterprises Inc is trading 4.1% up at $7.91 in pre-market, extending its strong recent rally. - The company announced a binding Master Supply Agreement for a 750 MWh long-duration storage partnership in Germany on June 17, 2026. - This follows the launch of commercial production at its second U.S. manufacturing facility on June 16, 2026. - Needham also initiated coverage with a Buy rating and an $11 price target on June 17, 2026.