imageRatings agency S&P has downgraded Canada’s biggest banks to “negative” over concerns about the federal government’s stance on possible bailouts in the future. The decision hinges on concerns that Ottawa will be reluctant to bail out large financial institutions in the event of another major economic meltdown, and would instead opt for a “bail in” regime that would not use taxpayer money. “The outlook revision reflects our expectation of reduced potential for extraordinary government support,” wrote credit analyst Lidia Parfeniuk in a note released Friday. More