SAN DIEGO, Oct. 30, 2019 /PRNewswire/ — NuVasive, Inc. (NASDAQ: NUVA), the leader in spine technology innovation, focused on transforming spine surgery with minimally disruptive, procedurally integrated solutions, today announced financial results for the quarter ended September 30, 2019. Third Quarter 2019 Highlights Revenue increased 7.2% to $290.8 million, or 7.5% on a constant currency basis;GAAP operating profit margin of …