NORWALK, Conn.–(BUSINESS WIRE)–Tantalus Systems Holding Inc. (TSXV: GRID) (“Tantalus” or the “Company”), a smart grid technology company, celebrated the Company’s listing on the TSX Venture Exchange (“TSXV”) by virtually ringing the opening bell at the Toronto Stock Exchange at 9:30 a.m. ET today. The Company’s senior management, directors and other team members participated in the ceremony in recognition of the Company commencing trading on the TSXV on February 9, 2021 under the ticker symbo