Stocks making the biggest moves in the premarket: Rivian, UPS, Coinbase and more

Check retired the companies making the biggest moves earlier the bell:

Rivian — Shares popped 6.5% successful premarket trading, adding to Monday's gains aft the electrical conveyance shaper reported 12,640 deliveries during the 2nd quarter. The deliveries were up 59% from the erstwhile 4th and bushed expert expectations of 11,000 vehicles, according to StreetAccount.

United Parcel Service — Shares of the logistics and transportation institution fell much than 1% successful premarket trading arsenic negotiations betwixt UPS and the Teamsters national appeared to deed an impasse. The national said successful a connection Wednesday that negotiations had collapsed aft UPS "walked distant from the table." UPS said successful effect that it had not walked distant and was encouraging the national to instrumentality to the table. The existent UPS Teamsters declaration expires astatine the extremity of July.

Coinbase — The crypto services institution fell much than 2 aft Piper Sandler downgraded the banal and said that, contempt the caller marketplace rally pursuing the SEC's suit against Coinbase, the summation successful crypto prices haven't translated to an summation successful trading volume. The steadfast besides expects Coinbase to study its lowest trading volumes and monthly transacting users successful implicit 2 years for the 3rd quarter.

AstraZeneca — The drugmaker climbed astir 3%, aft sinking 8% connected Monday erstwhile AstraZeneca announced preliminary results of its signifier 3 lung crab treatment. The institution said information for wide endurance was "not mature" and results were not statistically significant, but the proceedings volition continue. 

Transocean — Shares of the offshore lipid drilling institution roseate 3.7% aft Citi upgraded them to bargain from neutral. "We deliberation Transocean is favorably positioned among offshore drilling peers fixed its sizable disposable fleet of idle rigs returning to enactment successful the coming years," Citi said.

Hertz — Hertz shares gained much than 1% aft Jefferies initiated sum of the car rental institution with a bargain rating, citing the imaginable for stronger margins.

— CNBC's Tanaya Macheel and Jesse Pound contributed reporting.