Key PointsAccenture suffered its worst single-day stock drop on record after trimming its full-year revenue outlook.EPAM Systems and Cognizant have each been cut by half or more from their early-2026 highs.IBM, with far more software and recurring revenue, has held up much better than the project-based services firms.10 stocks we like better than International Business Machines › Shares of Accenture (NYSE: ACN) cratered about 18% on June 18 -- t…