What to Watch in the Day Ahead - Friday, Dec. 19

(The Day Ahead is an email and PDF publication that includes the day's major stories and events, analyses and other features. To receive The Day Ahead, Eikon users can register at . Thomson One users can register at RT/DAY/US. All times in ET/GMT) Carnival Corp, the world's largest cruise operator, will report its fourth-quarter results. The company has been struggling to fend off competition from companies such as Europe's MSC Cruises, which offer cheaper cruises in the Caribbean, its largest