The cruise line operator's shares are still trading well below their all-time high from January 2018.The pandemic certainly lifted many internet-enabled and tech-focused businesses to new heights. But not all companies were so fortunate. In fact, some were devastated. Unsurprisingly, Carnival (CCL -0.24%) was one of them. Its operations were forced to shut down for months, and the company's revenue took a big hit.But Carnival's business has bounced back nicely from the worst days of the health crisis. Consu ...