Publicis buys Microsoft’s Razorfish

Publicis Groupe SA, owner of PR agencies MS&L and Kekst & Co. and ad firm Leo Burnett, said it is buying Microsoft Corp.’s Razorfish advertising agency for $530 million in cash and stock to expand in Internet advertising and marketing. Razorfish will continue to operate under its own name and remain Microsoft’s agency of record for online advertising and marketing, according to Bloomberg ’s Gregory Viscusi.