What to Watch in the Day Ahead - Tuesday, March 31

(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) Fertilizer company Mosaic Co holds its annual analyst day in Florida. The company is expected to boost dividend or announce a share buyback. Of interest are the company's comments on recent tax changes in Saskatchewan, the Canadian province where M