Take a look at the top companies that made headlines long before the bell rang.

Boeing (BA) – A Boeing 737-800 jet operated by China Eastern Airlines crashed in the mountains of southern China with 132 people aboard, with no immediate word on casualties. Boeing shares dropped 5.8% in premarket.

Anaplan (PLAN) – Anaplan agreed to be bought out by private-equity firm Thoma Bravo for $10.7 billion, or $66 per share in cash. Stock closed Friday at $50.59 per stock. The stock surged 28.3% on the premarket.

Nielsen Holdings (NLSN) – Nielsen tumbled 18.6% in premarket trading after it rejected a $9.13 billion takeover bid, worth $25.40 per share, from a private-equity consortium. Nielsen stated that the offer significantly undervalued the company. The TV rating-recordings firm is well known for their high ratings.

Alleghany (Y) – Berkshire HathawayThe insurance company will be purchased by (BRK.B), which is $848.02 per share. This compares to Alleghany’s Friday closing of $676.75 per shares. Alleghany is an independent Berkshire company.

General Motors (GM) – GM bought Softbank’s $2.1 billion stake in its Cruise driverless-car division. Softbank pledged funds to replace them, but GM announced that it will invest $1.35 Billion more in cruise. GM lost more than 1% initially in the premarket, but it has since recovered.

SAP (SAP) – SAP fell 2% in the premarket. Luka Mucic, chief financial officer of the German software company business, will be leaving the firm at March 2023.

Manchester United (MANU) – Deutsche Bank upgraded the soccer team’s shares to “buy” from “hold,” saying Manchester United is undervalued relative to its peers in the sports and live events category. Manchester United was up 1.6% during premarket activity.

Nio (NIO) – Nio said it had no immediate plans to raise prices on its electric vehicles, although China-based carmaker said it would be flexible on pricing. Rivals like TeslaBYD and (TSLAA) have both recently increased prices because of higher material costs.

BlackBerry (BB) – The communication software company’s stock added 2.1% in the premarket after RBC upgraded it to “sector perform” from “underperform,” saying the stock’s price is now more aligned with BlackBerry’s fundamentals.