Today, Kevin Hall BComm, CFA commented about whether COS.TO, WCN.TO, ERF.TO, CPA.UN.TO, MRT.UN.TO, MTL.TO, VET.TO, AAV.TO, D.UN.TO, Y.TO, PGF.TO, SPB.TO, ARX.TO, NAE.TO, OBE.TO, IPL.TO, RYL.TO, PVE.TO, REI.UN.TO, VSN.TO, ALA.TO, CPG.TO, HR.UN.TO are stocks to buy or sell.