https://www.reuters.com/article/us-apple-results/strong-iphone-prices-cash-plans-buoy-apple-shares-after-muted-revenue-forecast-idUSKBN1FL6J6 >Apple Inc on Thursday gave a disappointing revenue forecast for the first three months of 2018 and its sales of iPhones over the holiday quarter missed Wall Street's expectations, deepening concerns that enthusiasm for the iPhone has permanently waned since its 2015 peak.