 BMO Capital Markets lowered shares of Houghton Mifflin Harcourt NASDAQ:HMHC from an outperform rating to a market perform rating in a report released on Tuesday, BenzingaRatingsTable reports. BMO Capital Markets currently has 3.00 price target on the business services providers stock, down from their previous price target of 7.00. HMHC has been the subject of ... 