The American Cable Association, or ACA, a lobbying group for more than 700 smaller TV and broadband companies, sent a letter to the Department of Justice asking for an investigation into Comcast over alleged antitrust violations. Comcastâs smaller rivals… To see the rest of the story go to thefly.com. (See Story Here):(https://www.thefly.com/permalinks/entry.php/id2822478/-Trump-Effect-Comcast-shares-slip-as-Trump-retweets-ACA-concerns)