MarketWatch: Vudu, the Wal-Mart digital TV streaming service, has knocked down the prices it is charging for the winners and nominees from the 67th Annual Emmy Awards. Vudu, which charges customers per episode viewed, is cutting the prices of its available Emmy-nominated TV shows to 67 cents. Vudu doesn’t require users to pay a subscription fee, opting instead for a fee per episode or movie they rent and/or buy.