Analysts seem to love projecting what a company will do, with Apple being a particularly popular subject of speculation. Today sees Peter Misek, an analyst with Jefferies, predicting, or rather proclaiming, that Apple will launch a larger iPhone device sometime next year, specifically June, 2014.
Tim Cook has consistently shut down rumors that Apple was planning a device with a larger screen, saying that Apple would not build a larger iPhone until the current trade-offs no longer existed. That hasn't stopped people and analysts alike from predicting that we will see a larger iPhone this year or next.
Of course, Apple does engage it a bit of misdirection. Apple could very well be planning a larger iPhone. At the same time, analysts aren't perfect and Misek could easily be wrong. For now, take this with a bit of skepticism.