Procter & Gamble’s shares reached a 52- week high last month, gaining as much as 4.4% after company executives said increased sales will push third quarter earnings above Wall Street estimates. P&G also announced a boost in its quarterly dividend to $.50 from $.46, and a 2-for-1 stock split. Trading volume was more than double the daily average, at 7.7 million shares compared with an average of about 3 million. “This continues the company record of increasing the dividend for 48 st...