Lithium Americas (LAC) stock soared in premarket trading Wednesday morning, gaining more than 90% after news reports that the Trump administration is looking to take a stake in the operator of what is set to be the largest lithium mine in the country. On Tuesday evening, Reuters reported that the administration is seeking a stake of up to 10% in Vancouver, British Columbia-based Lithium Americas as part of renegotiations for a $2.26 billion loan the company received from the Department of Energy for its T ...