shares of sirius xm holdings inc siri inched 046 higher to 651 wednesday on what proved to be an allaround positive trading session for the stock market with the nasdaq composite index comp rising 158 to 1189765 and the dow jones industrial average djia rising 015 to 3187484 this was the stocks second consecutive day of gains sirius xm holdings inc closed 037 below its 52week high 688 which the company achieved on february 8th the stock demonstrated a mixed performance when compared to some of