Key TakeawaysLowe's shares rose in pre-market trading Tuesday after the retailer reported first-quarter earnings that beat analysts' estimates, despite declining from the year-ago period amid a pullback in home-improvement spending. The company said growth in digital sales and market share among professional contractors helped partially offset a continued slowdown in sales of big-ticket items.Lowe's affirmed its full year-guidance, projecting revenue and diluted earnings per share (EPS) roughly in line with ...