CNBC's Jim Cramer on Tuesday told investors that it can be worthwhile to put trust in a good stock, even if a negative narrative about the company is gaining traction on Wall Street."If you want to make big money in individual stocks, you need to be a believer," he said. "Sometimes it doesn't pay off — everybody makes mistakes — but if you don't believe in your stocks, then you'll never be able to stick with them through thick and thin."He reviewed prominent concerns with three major companies: artificial i ...