Visa's stock looks cheap in many ways, but this is definitely a stock that only growth investors will likely find attractive."Too late" on Wall Street isn't as simple as checking the time. Investors are, effectively, making predictions about the future when they buy a stock. For example, is it too late to buy Visa (V 0.76%) now that it is trading near its all-time highs again? It depends on what you think is going to happen from here. These are some factors to consider as you try to answer that question.Is ...