stocks in toronto were modestly down midtrading in the last trading session of the week all sectors were down friday at midday with only the transportation sector posting gains air canada shares rose helping boost the transportation sector after reporting betterthanexpected results in its fourth quarter canadas sptsx composite index was down 035 to 2110159 the bluechip sptsx 60 fell 020 to 127896 air canada shares rose 39 to c2560 after it posted a narrowed loss in the fourth quarter better than analysts had forecasted with revenue also beating expectations as restrictions continued to ease and more customers returned to air travel ritchie bros auctioneers inc shares tumbled 13 to c6309 after the company reported lower earnings and revenue in the fourth quarter while analysts had expected growth in the period uniselect inc shares jumped 15 to c2616 after reporting a swingtoprofit in the fourth quarter and said it expects higher earnings and sales in 2022 despite a number of macro headwinds and challenges