Shares are on a roll, but taking a step back and looking at the bigger picture reveals much more than is evident up close. Since it's up more than 20% from April's low, interested investors might be a bit wary of stepping into shares of Carnival (CCL 0.48%) at this time. That's a tough act to follow, after all. If that's the reason you're not diving into a stake in this leisure cruise company, though, you might want to reconsider your decision. This stock's still down nearly 70% from its pre-pandemic peak, ...