Stock Exchange (Casablanca) - The Casablanca Stock Exchange began Monday's session in negative territory, with its main index, the MASI, down 0.32% to 13,850.44 points (pts).A few minutes after opening, the MASI.20, an index of the 20 most liquid stocks, and the MASI.ESG, an index of companies with the highest ESG rating, as published by Moody's ESG Solutions, were down 0.25% at 1,124.03 pts and 0.31% at 1,007.46 pts, respectively.Source: Agence Marocaine De Presse