Stocks making the biggest moves in the premarket: AstraZeneca, Kansas City Southern, Tesla & more

Stocks making the biggest moves in the premarket: AstraZeneca, Kansas City Southern, Tesla & more

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

AstraZeneca (AZN) - The drugmaker said a U.S. study showed its Covid-19 vaccine had 79% efficacy in preventing symptomatic illness, 100% effectiveness against critical disease and hospitalization, and did not pose a higher risk of blood clots. AstraZeneca shares gained 2.2% in premarket trading.

Blackstone (BX) - Blackstone proposed a $6.2 billion buyout of Australian casino operator Crown Resorts. The stock rose above the offer price in Australian trading, signaling investor bets that a higher bid could come from another suitor.

Kansas City Southern (KSU) - The railroad operator agreed to be bought by Canadian Pacific Railway (CP) in a $25 billion cash-and-stock deal. The transaction is worth $275 per share, compared to Kansas City Southern's Friday closing price of $224.16. Kansas City Southern surged 17.8% in premarket action, while Canadian Pacific slid 2.8%.

PepsiCo (PEP) - The beverage and snack giant's stock rose 1% in the premarket after Barclays upgraded it to "overweight" from "equal weight." Barclays noted recent underperformance by the stock and the potential for accelerating revenue and profit growth.

Stellantis (STLA) - The automaker said a global semiconductor shortage would impact production of its popular pickup trucks, in a