OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best is holding its outlook for the global reinsurance sector at negative, citing the continued market challenges that will hinder the potential for positive rating actions over time and may eventually translate into negative rating pressures. The Best’s Briefing, titled, “Global Reinsurance Outlook Maintained at Negative,” states that the strain on profitability is evident in reduced risk-adjusted returns with market headwinds at this point, presenting sign