shares of rocket cos inc rkt slid 231 to 846 tuesday on what proved to be an allaround positive trading session for the stock market with the nasdaq composite index comp rising 214 to 1142815 and the dow jones industrial average djia rising 106 to 3215540 rocket cos inc closed 324 short of its 52week high 1170 which the company achieved on april 4th the stock underperformed when compared to some of its competitors tuesday as uwm holdings corp uwmc rose 043 to 462 mgic investment corp