Baystreet Staff - Thursday, April 5, 2012 Ritchie Bros. Auctioneers 11:52 AM EST - Ritchie Bros. Auctioneers : will conduct a grand re-opening auction at its Saskatoon, SK site on Wednesday, April 18. Ritchie Bros. Auctioneers shares T.RBA are trading down $0.11 at $22.48.