These stocks could be enticing to income and value investors, but they're both risky bets that aren't for the faint of heart.Does a rising tide really lift all boats? Not necessarily. If boats are too leaky, they can still sink no matter how much the water level rises.The S&P 500 has been in a strong bull market since October 2022. But not every stock has delivered solid gains. Here are two ultra-high-yield dividend stocks down more than 50% over the last year.High yields, low valuationsYou won't find many ...