Vontobel Asset Management, Which Owns 2.15% of Ritchie Bros. Shares, is Yet Another Ritchie Bros. Shareholder to Publicly Support the IAA Acquisition VANCOUVER, BC, March 3, 2023 /PRNewswire/ – Ritchie Bros. Auctioneers Incorporated (NYSE: RBA) (TSX: RBA) (“Ritchie Bros.”) today issued…