What to Watch in the Day Ahead - Tuesday, April 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) Johnson & Johnson is expected to report moderately higher earnings as it kicks off the first-quarter earnings season for large U.S. drugmakers, bolstered by cost cuts and growing sales of its treatments for cancer, arthritis and psoriasis. But investo