Pfizer, DuPont, Wayfair, Shake Shack & more


Take a look at some of the biggest movers in the premarket:

Pfizer (PFE) – The drugmaker and partner BioNTech (BTNX) have begun the first U.S. trial of their experimental coronavirus vaccine. If successful, the vaccine could potentially be ready for U.S. distribution by the end of the year.

Alaska Air (ALK) – The airline reported a quarterly loss of 82 cents per share, smaller than the $1.13 per share loss anticipated by Wall Street. Revenue was slightly below forecasts, with Alaska Air saying demand was more than 90% below normal.

DuPont (DD) – The industrial materials maker earned 84

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