SINGAPORE--(BUSINESS WIRE)--#insurance--AM Best is revising its outlook on the Philippine non-life insurance market segment to negative from stable, citing increased negative pressure to the balance sheet strength and operating performance of domestic insurers amid rising challenges in accessing reinsurance capacity. In a new Best’s Market Segment Report, “Market Segment Outlook: Philippines Non-Life Insurance”, AM Best notes that the market historically has relied on reinsurance to mitigate underwriting…