Shares of United Parcel Service Inc. Cl B UPS, -1.73% slipped 1.73% to $179.00 Tuesday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index SPX, -0.20% falling 0.20% to 3,990.97 and Dow Jones Industrial Average DJIA, -1.14% falling 1.14% to 33,910.85. This was the stock’s second consecutive day of losses. United Parcel Service Inc. Clo B closed $54.72 short of its 52-week high ($233.72), which the company achieved on February 1st. Trading volume (2.7 M) remained 339,226 below its 50-day average volume of 3.0 M.