Stocks making the biggest moves in the premarket: BP, First Horizon, defense stocks and more

cnbc.com:

Take a look at some of the biggest movers in the premarket:

Berkshire Hathaway (BRK.B) – Berkshire reported record annual profit in 2021, helped in large part by its investment in Apple (AAPL). Berkshire also bought back a record $27 billion in stock last year, but the pace of buybacks slowed during the fourth quarter. Berkshire Class «B» shares fell 1% in the premarket.

BP (BP) – BP shares tumbled 7.1% in the premarket after saying it would sell its nearly 20% stake in Russia's state-controlled oil producer Rosneft following Russia's invasion of Ukraine.

First Horizon (FHN) – First Horizon shares surged 32.3% in premarket trading after the bank agreed to be acquired by Toronto-Dominion (TD) in an all-cash deal worth $25 per share or $13.4 billion. The move will help Toronto-Dominion expand its presence in the southeastern part of the U.S.

Renewable Energy (REGI) – The maker of renewable energy fuels agreed to be acquired by Chevron (CVX) for $61.50 per share, compared to the Friday close of $43.81. Renewable Energy shares soared 36.5% in the premarket.

Starbucks (SBUX) – Workers at a Starbucks café in Mesa, Arizona voted to unionize, becoming the third Starbucks location in the U.S. to do so. Starbucks slid 1% in premarket action.

Zendesk (ZEN) – The customer service platform operator ended its deal to buy SurveyMonkey parent Momentive Global (MNTV) after Zendesk shareholders rejected the proposed transaction on Friday. That follows objections to the all-stock deal by activist investor Jana Partners as well as skepticism about the deal's benefits by Wall Street analysts. Momentive slid 2.4% in premarket action while Zendesk rose 0.4%.

Northrop Grumman (NOC), Raytheon Technologies (RTX), General Dynamics (GD) – These and