Shares of technology companies rallied amid hopes for a second round of coronavirus relief.
A group of lawmakers from both the House and Senate unveiled Tuesday morning a $908 billion aid proposal, seeking a middle ground between Democratic and Republican leaders' stances.
Micron Technology rallied, hitting the highest levels since 2000 after the memory-chip maker boosted its earnings projection.
Tesla shares added to gains after the electric-car maker's chief executive, Elon Musk, said he wasn't interested in a hostile buyout of any rival carmakers.
Shares of Zoom Video Communications plunged after the maker of "remote" work video software posted a downtick in profit margins that made analysts question its strategy of rapid growth among non-paying users.
House-sharing app Airbnb said it plans to sell 50 million shares in an initial public offering that could give the San Francisco company a valuation of as much as $35 billion.
Salesforce.com agreed to buy workplace-collaboration software pioneer Slack Technologies for $27.7 billion in a deal that would turn the combined company into one of the biggest players in the competitive business-software market.
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(END) Dow Jones Newswires