This Detroit automaker is starting to win over the investment community.General Motors (GM +0.82%) has been around for quite some time, with its founding dating back to 1908. This is one of the biggest car makers on Earth, with trailing-12-month revenue of $187 billion and 1.6 million units sold just in the latest quarter. Popular models include the Chevy Equinox and Silverado.What has this well-known automotive stock done for investors? GM shares are having their momentOver the past five years, GM shares ...