THE ASTONISHED FEEDBACK came fast and furious late Thursday as people tried to give voice to their feelings on the Commission decision to deny Bell Canada’s $3.4 billon purchase of Astral Media. ******************** “Like most observers, we had expected conditional approval,” said analyst Dvai Ghose of Canaccord Genuity in a note to clients. “This could also have implications for other potential media transactions such as Shaw-Corus, although in that case both entities are already controlled by the Shaw family. We also believe that the speculation of a Corus bid for Astral could rise and could be more palatable for regulators....