Procter & Gamble (NYSE: PG) shares hiked 4% to $81.85, after it announced late Thursday former chief executive A.G. Lafley would rejoin the company in the same role, replacing Robert McDonald effective immediately. The move is similar to the ouster at J.C. Penney in April. Share volume was 1.9 million, catching up on an all-day average of 2.4 million