Omnicom Group Inc. stock falls Tuesday, underperforms market

Shares of Omnicom Group Inc.
OMC,

slid 1.41% to $68.06 Tuesday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index
SPX,

rising 0.39% to 4,700.90 and the Dow Jones Industrial Average
DJIA,

rising 0.15% to 36,142.22. Omnicom Group Inc. closed $18.32 short of its 52-week high ($86.38), which the company reached on May 10th.

The stock underperformed when compared to some of its competitors Tuesday, as Publicis Groupe S.A. ADR
PUBGY,

fell 0.29% to $17.00 and Interpublic Group of Cos.
IPG,

fell 0.77% to $35.85. Trading volume (1.1 M) remained 521,301 below its 50-day average volume of 1.6 M.