Standard&Poor's Ratings Services raised its long-term rating to 'A' from 'A-' on the San Francisco City&County Port Commission's revenue bonds, issued for the Port of San Francisco. The outlook is stable. The rating action reflects our view of the port's continued very strong debt service coverage (DSC) and liquidity position, which we believe will be maintained at strong levels for the foreseeable future, despite a recent increase in debt service requirements and large capital plan. We also believe the port can continue investing in its assets at a level that maintains stable financial metrics, given improving margins. More specifically, the rating is based on our view of the port's: Historically stable financial performance, with operating revenue