shares in toronto were down midtrading on tuesday as health care and materials dragged the sptsx composite index down 5560 points in the session shares in air canada were higher as the company narrowed its loss in the third quarter and generated net cash in the period at midday canadas sptsx composite index was down 026 at 2119263 and the bluechip sptsx 60 was also down 022 at 127508 shares in air canada rose 44 to c2403 after it said its loss narrowed in the third quarter as revenue grew amid more passengers and increased cargo loads net cash generation was c153 million better than managements expectation of a net cash burn of between c280 million to c460 million transat at inc shares were up 33 at c468 after it announced it signed an offtake agreement with saf consortium for 90 of its sustainable efuel produced in the companys first plant for the next 15 years thomson reuters corp shares were 02 higher at c14700 despite swinging to a loss in the third quarter as it reported a rise in revenue and said it expects better revenue growth in its full 2021 year than previously forecast bausch health cos stock was down 6 to c3317 after reporting a rise in thirdquarter profit but with a slight decline in revenue in the period