Signs point to the market continuing to rally next year.Despite all the chatter about the stock market being overheated, the bull market just surpassed its third anniversary. History, meanwhile, gives a clear picture of what will happen next.According to data compiled by Carson Group, every bull market over the past 50 years that has made it to three years has continued until at least five years. There have been five bull markets in that span, with the shortest fizzling out after five years and the longest ...