The projected increase in capacity for Carnival Corp suggests an optimistic outlook for the company's operations and potential revenue growth. This positive news is likely to be well-received by investors, potentially leading to a short-term increase in stock price. The relevance is high as the news directly pertains to Carnival Corp's operational capacity, which is a key driver of revenue. The importance is significant as capacity growth can impact earnings and investor sentiment. The confidence level is high due to the specificity of the projected growth figures.