Roku Has Bigger Problems to Worry About Than Walmart Acquiring Vizio

Roku (ROKU -1.96%) stock has been under pressure lately. Not only is the streaming company coming off an uninspiring fourth quarter, but news of Walmart acquiring smart TV maker Vizio likely also has investors worried about an increase in competition for Roku in the future. Even if it's part of a broader move for Walmart to go after rival Amazon, having the largest retailer in the world encroach on your territory simply isn't a great development for Roku.But there are bigger problems Roku investors should c ...