shares of harmonic inc gained in mondays afterhours market following news the company was chosen by charter communications inc as a partner to deploy virtual cmts technology for nextgen broadband services harmonic said its cableos platform will be deployed by charter in a distributed access architecture for converged multigigabit docsis 31 and 40 harmonic provides harmonic virtualized broadband and video delivery solutions at 552 pm et shares of harmonic increased 771 to 1410 per share the stock finished the days regular session with a 564 gain closing at 1309 per share