NEW YORK: While Omnicom Group's PR revenues declined 17.4% in Q1, compared to the same period last year, the discipline showed improvement in March, according to CEO John Wren.

The improvement in PR "was relatively small in the scope of overall reporting, so while it's hopeful and a good month, it isn't yet a trend," said Wren, during the earnings call. 

PR revenues totaled about $260 million for the quarter ending March 31, 2009. PR makes up 9.5% of the holding company's overall earnings. Advertising revenues, ...