Goldman Sachs analyst Karen Holthouse also blames poor weather in the Northeast, where Dunkin' is concentrated, for slow performance.
Here are Wednesday's top research calls, including a downgrade of Twitter and new coverage of Facebook, Amazon and Alphabet.
The bakery-café has announced it will begin offering delivery service from all of its locations. Here's why investors should order up.
Cramer shares his views on what to do as the Trump rally fades, and also discusses how Five Below will become a retail go-to name.