Carnival Corporation's (NYSE:CCL) shares are trading lower despite beating analyst consensus estimates for Q3 earnings and sales. The company also issued Q4 EBITDA guidance between $800 million and $900 million and expects Q4 occupancy of 101% or higher. Full-year 2023 EBITDA is anticipated to be between $4.1 billion and $4.2 billion with full-year 2023 occupancy expected to be 100% or higher. William Blair analyst Sharon Zackfia reinstated Carnival with an Outperform.