Terrestrial Energy begins trading today under the new ticker symbol “IMSR” after completing its business combination with HCM II Acquisition Corp. Terrestrial Energy received in excess of $292 million of gross transaction proceeds, before expenses, to support its business plan and accelerate technology commercialization Terrestrial Energy’s Integral Molten Salt Reactor (IMSR) nuclear plants are designed to supply low-cost high-temperature, clean, firm and flexible heat and electricity, delivering sector-lea ...