Cruise lines surge after Carnival reports 2021 demand "within historical ranges" (CCL, RCL, NCLH)

· *Cruise lines soared on Friday after Carnival Corp. reported second quarter earnings that revealed a few positive trends developing within the industry, after its business was decimated by COVID-19.*
· *The company said cumulative advanced booking for 2021 is "within historical ranges" with prices that are down slightly low...