shares of cbre group inc cl a cbre slipped 220 to 8320 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 031 to 3373396 and the sp 500 index spx falling 007 to 401695 the stocks fall snapped a twoday winning streak cbre group inc cl a closed 2340 short of its 52week high 10660 which the company achieved on february 9th trading volume 11 m remained 344205 below its 50day average volume of 14 m