Headline: W.W. Grainger, Inc. Q4 Profit Dips, Shares Drop - WAG

[Para 1: The Lead] W.W. Grainger, Inc. (NYSE: WAG) reported a retreat in its fourth quarter earnings, signaling a downturn in profit. The company's net income for the quarter fell 12% to $100 million from $114 million in the same period last year, impacting investor sentiment and leading to a 5% drop in its stock price on the day of the announcement. [Para 2-3: Supporting details & Context] The revenue for the quarter was $2.5 billion, a 3% increase from the previous year, but not enough to offset higher costs and supply chain challenges. W.W. Grainger cited increased labor costs and inflationary pressures as key factors affecting its financial performance. Analysts are now revising their earnings forecasts for the company, reflecting concerns over the current economic climate and the company's ability to maintain profitability amidst rising expenses.