Stocks making the biggest moves premarket: Sovos Brands, BioNTech, Tyson Foods and more

Check retired the companies making headlines earlier the doorbell Monday.

Tyson Foods — Shares of the nutrient processing institution fell much than 7% aft Tyson's fiscal third-quarter study missed estimates connected the apical and bottommost lines. Tyson generated 15 cents successful adjusted net per stock connected $13.14 cardinal of revenue. Analysts surveyed by Refinitiv were expecting 26 cents per stock connected $13.59 cardinal of revenue. Tyson's income declined twelvemonth implicit year.

DaVita — Shares of the dialysis institution roseate much than 1% aft being upgraded to bargain from neutral by UBS. In a enactment to clients, UBS said it sees "tailwinds that enactment our Street-high net estimates and contrarian Buy rating."

Sovos Brands — Shares of Rao's genitor Sovos Brands' popped 25% successful premarket trading aft nutrient elephantine Campbell Soup said Monday it would get the pasta condiment shaper for $2.33 billion. Campbell volition wage $23 per stock for the company, which is 27.6% higher than the Sovos Brands' past closing price. Campbell Soup shares dipped 1.6%.

DraftKings — DraftKings roseate 1.5% successful the premarket aft Wells Fargo upgraded the sports betting app to overweight from neutral. The slope said DraftKings' "EBITDA is inflecting much quickly/steeply than we antecedently envisioned, and we expect its op. momentum to continue."

Berkshire Hathaway — Class B shares of the conglomerate roseate much than 1% successful premarket trading aft Warren Buffett's institution reported a coagulated increase successful second-quarter operating earnings, bolstered by a leap successful its security underwriting and concern income. Berkshire's currency hoard swelled to astir $150 billion, adjacent a grounds and overmuch higher than the $130.616 cardinal successful the archetypal quarter.

BioNTech — Shares of the biotech company, which is Pfizer's spouse successful processing Covid-19 vaccines, slid 4.9% aft the institution reported lower-than-expected gross for the 2nd quarter. BioNTech posted quarterly gross of €168 million, portion analysts surveyed by Refinitiv expected €672 million. The institution besides said it chopped its projected probe and improvement fund for this year.

KKR — Shares of the concern institution gained much than 1% premarket aft the steadfast posted adjusted net for the 2nd 4th that bushed analysts' estimates and a 6% year-over-year summation successful assets nether management. KKR besides announced it's taking a number involvement successful the German abstraction institution OHB.

Nikola — Shares of the electrical motortruck shaper precocious 7% successful aboriginal greeting trading, taking backmost immoderate of its losses from Friday — erstwhile the banal dropped 26% connected quality of lower-than-expected second-quarter income and an announcement that the company's CEO stepped down. 

Viatris – Shares gained much than 2% earlier the bell. Viatris posted adjusted nett income and revenues that topped Wall Street's second-quarter expectations and reaffirmed its full-year guidance. Revenue came successful astatine $3.92 billion, up of the $3.86 cardinal expected by analysts, per StreetAccount.

— CNBC's Fred Imbert, Samantha Subin, Yun Li, Tanaya Macheel and Jesse Pound contributed reporting.