Alphabet Inc. is forming a new holding company, XXVI Holdings Inc., designed to finalize its evolution from Google into a corporate parent with distinct arms in far-flung fields like health care and self-driving cars.

Waymo dropped three of four patent-infringement claims in its lawsuit against Uber Technologies Inc. over the startup’s autonomous vehicle program.

Uber Technologies Inc. threatened to fire the man at the center of its legal battle with Alphabet Inc., telling its top driverless technology engineer, Anthony Levandowski, to either deny taking files from his former employer or turn them over.