UPDATE 4-Apple's iPhone disappointment fans doubt on growth
January 23, 2013 at 20:08 PM EST
SAN FRANCISCO, Jan 23- Apple Inc missed Wall Street's revenue forecast for the third straight quarter after iPhone sales came in below expectations, fanning fears that its dominance of the mobile industry was slipping. On Wednesday, Apple said it shipped a record 47.8 million iPhones in the December quarter, up 29 percent from the year-ago period.