DEERFIELD, Ill., 2016-Jul-16 — /EPR Retail News/ — Walgreens Boots Alliance, Inc. (Nasdaq: WBA) today announced that its board of directors has declared a quarterly dividend of 37.5 cents per share, an increase of 4.2 percent. The increased dividend is payable 12 September 2016 to stockholders of record 19 August 2016, and raises the annual rate…