Moody’s Investors Service upgraded the 20-year $450 million Senior Unsecured Bonds issued by the Panama Canal Authority (ACP) to A1 from A2, with a stable outlook, based on the waterway's strong performance since the expansion's inauguration.Moody's noted that the Expanded Canal has increased overall tonnage and attracted new market segments, contributing to the waterway's strong performance. According to Moody's, "stronger cash flow generation coupled with a relatively low leverage…