Colliers International Group Inc. (CIGI.TO) has seen a rebound in its stock performance, climbing 7 ranks to 34th in the SIA S&P/TSX Composite Index Report–a key insight for investment professionals focusing on the commercial real estate services sector. Since returning to the SIA Favored Zone, CIGI.TO’s stock is up 12.4%, significantly outperforming the S&P/TSX Composite Index’s 2.8% rise.