Here are some of the top movers ahead of the opening bell Monday.
1. Dollar Tree DLTR | Up 7%
Shares of Dollar Tree (DLTR) - Get Free Report rose after The Wall Street Journal reported that the activist investor Mantle Ridge, which reportedly has at least a $1.8 billion stake in the discount retailer, plans to press the company to act to lift its stock price.
2. Tesla TSLA | Down 2.2%
Tesla (TSLA) - Get Free Report shares fell on Monday after Elon Musk sparred with Sen. Bernie Sanders (I-Vermont) on Twitter. On Sunday, Musk responded to Sanders and suggested he may sell more of his Tesla shares.
Sanders had tweeted a day earlier that “…we must demand that the extremely wealthy pay their fair share.”
3. Oatly OTLY | Down 17%
4. Boeing BA | Up 3.4%
Over the weekend CNBC quoted a Boeing executive saying the aerospace giant sees strong growth in the freighter market and more broadly expects more orders by year's end.