Apple slips as supply woes weigh on holiday sales forecast

(Reuters) - Apple Inc's smaller-than-expected margin forecast sent the company's shares down nearly 4 percent on Wednesday and raised concerns about its ability to capitalize on high demand for its bigger screen phones that bring in more money. Apple on Tuesday forecast profit margins of 38.0-38.5 percent for the current quarter, below the average analyst estimate of 38.8 percent. Strong demand for the iPhone 7 Plus, which features two cameras, caught Apple off-guard, resulting in a supply crunc