TransDigm Group Incorporated (NYSE:TDG) was downgraded by equities researchers at KeyBanc to an “overweight” rating in a research report issued on Wednesday, The Fly reports. A number of institutional investors have recently modified their holdings of TDG. Candriam Luxembourg S.C.A. boosted its position in shares of TransDigm Group by 10.4% in the fourth quarter. Candriam […]