Take a look at some of the biggest movers in the premarket:
Rackspace Technology (RXT) – Rackspace beat estimates by a penny a share, with quarterly earnings of 25 cents per share. The cloud computing company's revenue also topped Wall Street forecasts. It was Rackspace's eighth consecutive quarter of revenue growth, and the company said it was well-positioned in a booming market. its shares surged 8.3% in the premarket.
Axon Enterprise (AXON) – Axon soared 23.5 % in premarket trading, after the maker of Tasers, body cameras and other public safety equipment reported much-better-than-expected sales and revenue for its latest quarter.
Royalty Pharma (RPRX) – Royalty Pharma rallied 7.8% in premarket trading, following news that Berkshire
Read more on cnbc.com