Baystreet Staff - Friday, September 18, 2015 Sienna, Alignvest at 52-week Highs Sienna Senior Living Inc. (T.SIA) hit a new 52-week high of $17.07 Friday. No news announcements today Alignvest Acquisition Corporation (T.AQX.A) hit a new 52-week high of $9.99 Friday. No news announcements today