Discussion post

Here is a youtube video from the Wall Street Journal discussing some of the recent anti-trust cases against big technology companies, highlighting what criteria the Federal Trade Commission focuses on in order to determine whether competition in a particular industry is being prevented unfairly: 
Please provide examples of cases that are not discussed in the video or in the lecture that relate to price-fixing, unfair practices under the anti-trust law, or cases where companies were subject to scrutiny in the case of mergers and acquisitions for fear of reduction in competition in the industry. Explain the case in your own words and whether you believe the action taken by the government was warranted or sufficient.