Revenue, earnings, membership all higher than expected.
He said "we no longer have a position" in the "great company" where "Tim Cook is doing a great job."
Former CEO and current chairman Jeffery Boyd will serve as interim CEO.
SecureWorks priced at $14 a share Thursday night, below the expected range of between $15.50 and $17.50.
"We didn't just want to find a way to tap into popular culture, but to create culture."
The company will retrofit up to 100 Whole Foods stores with rooftop solar panels.
"Since companies don't know what the outlook will be, they're saying let's hold off."
Fitbit said it expected Q1 adjusted earnings per share between 0 and 2 cents; Wall Street was expecting about 23 cents.
Shares are up.
Guidance for 2016 was optimistic.