OLDWICK, N.J.--(BUSINESS WIRE)--The latest round of mergers and acquisitions (M&A) activities clearly points to a long-term shift in the operating environment of the insurance industry, and a continued focus on strong underwriting fundamentals will allow companies to leverage their strength in their relationships with brokers, reinsurers and capital market participants, according to a new A.M. Best briefing. In the Best’s Briefing, titled, “Many Triggers Fan The Flames For Larger M&A De