Empresas y finanzas
Ackman's Pershing Square takes stake in Procter & Gamble: source
Shares in the world's largest household products company jumped more than 3 percent to $63.40 amid speculation that the activist investor was building a stake.
Pershing Square received approval from the Federal Trade Commission to acquire the stake, according to the source.
(Reporting By Svea Herbst-Bayliss; editing by Jeffrey Benkoe)