*By Carlo Versano*
Slack, the popular workplace communication tool, is now valued at more than $7 billion.
The company announced Tuesday it closed a new $427 million funding round, making it one of the most valuable privately held tech start-ups ー and strengthening its position against tech titans like Microsoft, Google, and Cisco, all of which have their own enterprise products competing in the space.
San Francisco-based Slack, which allows members to talk in private chats and group channels, [said in a blog post](https://slackhq.com/slack-raises-series-h-round-of-financing-from-new-investors) it would use the capital investment to grow its business, which now has more than 8 million daily active users and 70,000 organizations paying for access.
The new valuation, up almost 40 percent from the $5.1 billion it was worth last year, makes Slack more valuable than Vice Media, fintech firm Robinhood, and online sports marketplace Fanatics, according to CBInsight's [Global Unicorn Club](https://www.cbinsights.com/research-unicorn-companies).
The funding round was led by General Atlantic and Dragoneer Investment Group and included T. Rowe Price, Wellington Management, Baillie Gifford and Sands Capital. Last year, Slack got a $200 million cash infusion from [Softbank's Vision Fund](https://www.recode.net/2017/9/18/16324754/softbank-slack-investment), the massive venture capital fund that has pumped billions into some of the most high-profile unicorns in Silicon Valley. It's raised more than $1 billion to date.
The union representing Southwest Airlines pilots says it reached a new contract agreement in principle with the airline following three years of negotiations.
U.S. Bank has been hit with a $36 million fine for freezing debit cards that distributed unemployment benefits during the pandemic.
Construction of new homes rose by double digits in November, according to data from the Commerce Department.
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Stocks opened lower after the opening bell and on track for its first decline in 10 days after a recent winning streak.
Tesla drivers in the U.S. were in more accidents than drivers of any other car brand this year, according to a study.
The promise of self-checkout was alluring: Customers could avoid long lines by scanning and bagging their own items, workers could be freed of doing those monotonous tasks themselves and retailers could save on labor costs.
Monsanto was ordered to pay $857 million to students and parent volunteers at a Washington school.
A federal judge has struck down hundreds of lawsuits filed against the makers of Tylenol and generic acetaminophen.
California regulators are preparing to vote on new rules for turning recycled wastewater into drinking water.
