G.M. had provided information about braking, acceleration and speed to LexisNexis Risk Solution and Verisk, firms that generated driver risk profiles for insurers... General Motors said Friday that it had stopped sharing details about how people drove its cars with two data brokers that created risk profiles for the insurance industry. The decision followed a New York Times report this month that G.M. had, for years, been sharing data about drivers’ mileage, braking, acceleration and speed with the insurance industry. The drivers were enrolled — some unknowingly, they said — in OnStar Smart Driver, a feature in G.M.’s internet-connected cars...