It was the second time in a year that a U.S. court found that the company had acted illegally to remain dominant.

The tech giant may be forced to sell parts of its highly profitable advertising technology unit, disrupting a business with huge power over what consumers see online.

"The U.S. Department of Justice is focused on breaking up all of Google's monopolies and it does not look like they are going to let up. The best course of action would be for Goo