After years of subpar performance, there's now a light at the end of the tunnel for all three companies ... and their stocks.

GM says it’s ready to start selling power adapters compatible with Tesla, more than a year after it announced plans to adopt the related charging standard.

General Motors Co. said Wednesday it will offer access to more than 17,800 Tesla Inc. superchargers through a $225 NACS DC adapter that it has approved for use with its electric vehicles (EVs). The move is part of an effort by the auto giant to provide access to more than 231,