Darden Restaurants Inc DRI.N added 4.1% after it announced new share buyback plan and forecast upbeat fourth-quarter revenue and profit. By Devik Jain March 25 (Reuters) - Wall Street's main indexes fell on Thursday, dragged down by economically sensitive bank and energy stocks and shrugging off data showing the labor market continued to limp out of a coronavirus-induced recession. The technology-heavy Nasdaq Composite .IXIC has fallen in March after four straight months of gains as rosy economic projections lifted demand for undervalued cyclical stocks, but also raised fears of higher inflation and a potential tax hike.