Apple earnings recap: Stock slips as China sales miss; Tim Cook warns of possible $900 million tariff hit in June quarter Business InsiderApple shares fall as Cook says 'very difficult' to predict tariff costs beyond June CNBCApple tops Q2 estimates on strong iPhone sales, predicts $900M tariff headwind in Q3 Yahoo FinanceApple Tops March-Quarter Targets On Record Services Revenue. But Stock Slips. Investor's Business Daily