Wal-Mart May Need a Decade to Get its ‘Mojo’ Back

Wal-Mart Stores Inc. is about to see if investors are willing to stick it out as it embarks on one of the biggest transformations in its history. Wal-Mart’s plan to invest heavily in technology at the cost of precious earnings per share served as a bombshell for Wall Street, triggering the biggest-ever price decline on Wednesday. But even before that news — which included plans for Wal-Mart to buy back $20 billion of its own shares — the analyst crowd has largely been sticking to the sidelines.