Walmart inc. announced a three-for-one stock split easing the barrier for employees and investors to buy shares.  The Arkansas-based company said the stock split is part of its "ongoing review of optimal trading and spread levels and its desire for its associates to feel that purchasing shares is easily within reach." Ticker Security Last Change Change % WMT WALMART INC. 166.12 +0.56 +0.34% The announcement comes as the company's stock is trading just below its all-time high of nearly $170 per share reache ...