The company is an important player in the artificial intelligence space.For the most part, equity analysts are a cautious bunch. They tend to set price targets for stocks that are not too outrageously higher or dramatically lower than current market levels.So it it catches investors' eyes when a pundit establishes or maintains an outlier target. Such is the case with Broadcom (AVGO -10.36%) stock and one of its more eager analyst advocates.One analyst sees a 53% upside potentialLast week, KeyBanc's John Vin ...