Shares of Walgreens Boots Alliance Inc. WBA,
fell 0.2% in premarket trading on Monday after the pharmacy chain said CEO Stefano Pessina stepped down. The board is currently looking for its successor. Pessina, who was formally appointed as CEO in 2015, has been named Executive Chairman and former Executive Chairman James Skinner will step down. Walgreens’ stock has fallen by 31.3% for the year, while the S&P 500 SPX,
decreased by 0.4%.