SAN DIEGO – June 30, 2019 – 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 June 30, 2019. Second Quarter 2019 Highlights Revenue increased 3.7% to $292.1 million, or 4.7% on a constant currency basis;GAAP operating profit …