) are higher on the session by 2.71%, trading at $12.51. Overall put volume is now running at 4.44x the daily average, with 25% of all puts traded being purchases on the offer. 1,022 contracts have traded on the session so far. The Interpublic Group of Companies, Inc. is a global advertising and marketing services company. Its companies specialize in consumer advertising, digital marketing, media planning and buying, public relations and specialized communications disciplines.