• by Joe Mandese  @mp_joemandese, July 14, 2016

Omnicom’s stock showed some volatility in pre-market trading this morning after announcing second quarter earnings that failed to meet analysts’ estimates.

Omnicom, the parent of agencies such as OMD, PHD, and others, reported second quarter revenues of $3.88 billion. While that was a 2.1% gain from the same quarter a year ago, it failed to meet the $3.91 billion consensus of Wall Street analysts’ estimates, according to the Street.com.

Omnicom did not explain the reason for the tepid growth, but noted that revenue suffered, in part, “from the negative impact of foreign exchanges rates” relative to the second quarter of 2015.

Among its operations, Omnicom reported that conventional advertising services continued to perform best, rising 7.8% in organic growth during the first half, followed by “specialty communications” (+3.3%), PR (-0.4%) and  CRM (-1.7%).