shares of cronos group inc cron rallied 155 to 196 monday on what proved to be an allaround mixed trading session for the stock market with the nasdaq composite index comp rising 045 to 1118884 and the dow jones industrial average djia falling 028 to 3181914 cronos group inc closed 235 short of its 52week high 431 which the company achieved on march 30th trading volume 15 m remained 334066 below its 50day average volume of 18 m