KEY POINTS
  • York Capital Management founder Jamie Dinan expects a wave of mergers now that a federal judge has ruled the AT&T-Time Warner deal can move forward.
  • "The gates are wide open" for new deals as well as the closure of existing ones, he says.
  • "We're back to the rules that we thought we had," says Dinan.

York Capital Management founder Jamie Dinan expects a wave of mergers now that a federal judge has ruled the AT&T-Time Warner deal can move forward.

"There's lots of health-care deals, for example, as well as media deals that were basically either on hold or up in the air. People were very nervous," the billionaire investor told CNBC's Leslie Picker on Thursday.