Baystreet Staff - Wednesday, June 27, 2012 Agrium, MDA lone stocks hitting 52-wk. highs Agrium Inc. (T.AGU) hit a new 52-week high of $90.13 Wednesday. No news announcements today MacDonald, Dettwiler and Associates Ltd. (T.MDA) hit a new 52-week high of $55.48 Wednesday. No news announcements today