nrg energy has agreed to acquire vivint smart home in a 28 billion cash deal the companies said tuesday as the texasbased energy and utility giant pushes into the consumer segment with a takeover of the home services platform nrg ticker nrg stock slid 82 in us premarket trading after the acquisition was announced with shares in vivint vvnt flying 32 higher the deal for 12 a share values vivint at a 33 premium to the stock’s close at 899 on monday vivint stock has fallen 10 this year outperforming the sp 500 index which has shed 17