At least two groups that include Canadian pension funds are planning to submit bids this week for a minority stake in TransCanada Corp.’s Mexican pipeline business valued at about $2-billion, people with knowledge of the matter said. Canada Pension Plan Investment Board, Public Sector Pension Investment Board and Borealis Infrastructure Corp. have formed a consortium to make an offer for the stake of as much as 49.9% of the business, according to the people, who asked not to be identified because the matter is private.