Here are Thursday's top research calls, including upgrades for Home Depot and Steve Madden, and downgrades for Bloomin' Brands and Nvidia.
Jim Cramer is bullish on Randgold Resources, Principal Financial Group and Constellation Brands.
Don't be fooled by knee-jerk reactions, says Jim Cramer. Look past the headlines and do your own research.
Janet Yellen's hawkish tone no longer scares market participants.