General Motors is on track to end 2025 as the top US-traded automaker stock – far outpacing American rivals like Ford, Tesla and Stellantis. The stock has soared more than 55% so far this year to a record price of more than $80 a share as of Monday’s close – setting the automaker up for its best year since it exited bankruptcy in 2009.That includes a nearly 13% jump so far in December, piling on to five consecutive months of stock gains, according to FactSet. 3 CEO Mary Barra has exercised options or sold ...