shares of cronos group inc cron were unchanged wednesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 003 to 3374384 and the nasdaq composite index comp falling 018 to 1131336 cronos group inc closed 186 short of its 52week high 431 which the company achieved on march 30th trading volume 16 m remained 51307 below its 50day average volume of 17 m