Key TakeawaysTyson Foods shares slumped in intraday trading Monday as "macro environment" concerns raised by its chief executive in its earnings call offset higher-than-forecast quarterly profit.Tyson's shuttering of some chicken-processing plants to cut costs helped buoy profits.The company, however, is forecasting adjusted operating losses of between $100 million and $400 million for its beef unit this year. Tyson Foods (TSN) shares slumped in intraday trading Monday as "macro environment" concerns raised ...