https://www.zonebourse.com/cours/action/BERKSHIRE-HATHAWAY-INC-11915/actualite/BUFFETT-DIT-QUE-BERKSHIRE-N-A-AUCUNE-INQUIETUDE-QUANT-A-L-INVESTISSEMENT-AU-CANADA--46631180/?utm_source=telegram&utm_medium=social&utm_campaign=share