Axovant shares were up in premarket trading on Sept. 27 after plummeting on Tuesday on the heels of the announcement that the company's Phase 3 study of intepirdine in patients with Alzheimer's disease did not achieve its co-primary efficacy endpoints.

And then there is Mylan.

Cempra, Tesaro and Editas Medicine were among the biotech stock movers in premarket trading on Tuesday.

Cempra, Blueprint Medicines and  Aralez Pharmaceuticals were among the biotech stock movers in premarket trading on Monday.

Cempra, Novavax and Ionis Pharmaceuticals were among the biotech stock movers in premarket trading on Tuesday.

Sequoia Capital and Y Combinator have told startups that cutting costs is a priority.

Elon Musk will soon allow Dogecoin to purchase SpaceX merchandise.

The theme park company has opened Guardians of the Galaxy: Cosmic Rewind and not everyone is happy despite the ride getting wonderful reviews.

Aurora is slashing its production capacity as it builds a runway toward positive Ebitda a year from now.