|Leerink Swann Global Healthcare Conference|
|Thursday, February 13, 11:35 a.m. Eastern Time, New York|
|Cowen and Company 34th Annual Health Care Conference|
|Tuesday, March 4, 10:40 a.m. Eastern Time, Boston|
Here are Thursday's top research calls, including upgrades for Dick's Sporting Goods and Seattle Genetics, and downgrades for Cognizant and VF Corp.
Here are Wednesday's top research calls, including upgrades for Coach and Alaska Air, and downgrades for Southwest Airlines and Twitter.