shares of united parcel service inc cl b ups slumped 041 to 18464 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 115 to 385443 and dow jones industrial average djia falling 052 to 3117384 this was the stocks second consecutive day of losses united parcel service inc cl b closed 4908 short of its 52week high 23372 which the company achieved on february 1st the stock demonstrated a mixed performance when compared to some of