NEW YORK (TheStreet) -- Shares of The Interpublic Group of Companies (IPG - Get Report) were gaining by 5.2% to $20.83 on heavy trading volume Wednesday, after the advertising company beat analysts' expectations for earnings and revenue in the 2015 second quarter.

Interpublic Group reported earnings of 29 cents a share for the second quarter, above analysts' estimates of 27 cents a share. Revenue grew 1.6% year over year to $1.88 billion for the second quarter, compared to analysts' estimates of $1.84 billion.

"At the midway point of the year, we believe that the appropriate organic growth target for 2015 is now 4-5%. Consistent with that, we will look to deliver toward the upper end of our full-year operating margin target of 80-100 basis points improvement over 2014," company CEO Michael Roth said in a statement.

About 6.9 million shares of Interpublic Group were traded by 3:27 p.m. Wednesday, above the company's average trading volume of about 3.5 million shares a day.

Separately, TheStreet Ratings team rates INTERPUBLIC GROUP OF COS as a Buy with a ratings score of A. TheStreet Ratings Team has this to say about their recommendation:

"We rate INTERPUBLIC GROUP OF COS (IPG) a BUY. This is based on the convergence of positive investment measures, which should help this stock outperform the majority of stocks that we rate. The company's strengths can be seen in multiple areas, such as its compelling growth in net income, revenue growth, notable return on equity, attractive valuation levels and increase in stock price during the past year. We feel its strengths outweigh the fact that the company shows weak operating cash flow."

You can view the full analysis from the report here: IPG Ratings Report

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