Key Takeaways Lithium Americas stock jumped 68.6% in 6 months, topping industry and peer gains.The company advances Phase 1 at Thacker Pass with engineering over 80% complete.DOE loan terms, tariff risks and rising costs pose hurdles to the project's execution.Shares of Lithium Americas Corp. (LAC) have gained momentum in the past six months. The Canadian mining company’s shares have soared 68.6% over the past six months, outperforming the Zacks Mining - Miscellaneous industry’s growth of 7.7%. Lithium Amer ...