Initial public offerings

FILE - In this Tuesday, Jan. 31, 2017, file photo, the Slack app is displayed on a mobile phone in New York. Work messaging platform Slack is taking the next step in filing to go public, the latest in several highly anticipated tech IPOs. In documents posted with the Securities and Exchange Commission Friday, April 26, 2019, Slack Technologies Inc. says it posted a loss of $138.9 million on revenue of $400 million in the fiscal year ended Jan. 31, 2019. (AP Photo/Mark Lennihan, File)

FILE - This Tuesday, June 12, 2018, file photo shows the Uber app on a phone in New York. Uber on Thursday, April 18, 2019, said that it is releasing a new feature to help riders ensure they’re getting into the right vehicles. The development comes several weeks after a University of South Carolina student was killed after getting into a car she had mistaken for the Uber ride she hailed. (AP Photo/Richard Drew, File)

In this Thursday, April 18, 2019 photo, a man rests and reads the Bible while sitting across the street from the proposed site of a homeless shelter in San Francisco. The city of San Francisco, which has too little housing and too many homeless people sleeping in the streets, is teeming with anxiety and vitriol these days. A large new homeless shelter is on track to go up along a scenic waterfront area dotted with high-rise luxury condos, prompting outrage from some residents. (AP Photo/Eric Risberg)

Nasdaq is ready for the Zoom IPO, Thursday, April 18, 2019 in New York. The videoconferencing company is headquartered in San Jose, California. (AP Photo/Mark Lennihan)

FILE - In this March 15, 2017, file photo, a traveler tries to book a ride with Uber at LaGuardia Airport in New York. Uber is providing a look under the hood of its business in the lead-up to its hotly anticipated debut on the stock market. Documents released Thursday, April 11, 2019, offered the most detailed view of the world’s largest ride-hailing service since its inception a decade ago. (AP Photo/Seth Wenig, File)

FILE - In this Oct. 11, 2018, file photo, Evan Sharp, Pinterest co-founder and chief product officer, poses for a photo beside a wall of pegs symbolizing the company logo at Pinterest headquarters in San Francisco. Pinterest plans to raise up to approximately $1.47 billion in its initial public offering. The Digital scrapbooking site said in a Monday, April 8, 2019, regulatory filing that the offering includes about 86.3 million shares, priced between $15 and $17 per share. Pinterest is offering 75 million Class A shares. (AP Photo/Ben Margot, File)

Lyft co-founders John Zimmer, front second from left, and Logan Green, front second from right, cheer as they as they ring a ceremonial opening bell in Los Angeles, Friday, March 29, 2019. On Friday the San Francisco company's stock will begin trading on the Nasdaq exchange under the ticker symbol "LYFT." (AP Photo/Ringo H.W. Chiu)

FILE- In this March 7, 2019, file photo specialist Anthony Rinaldi, left, and trader Michael Urkonis work on the floor of the New York Stock Exchange. The U.S. stock market opens at 9:30 a.m. EDT on Friday, March 29. (AP Photo/Richard Drew, File)

FILE- In this Jan. 31, 2018, file photo, a Lyft driver opens the Lyft app on his phone while waiting for a fare in Pittsburgh. Lyft set the price for its stock at $72 per share late Thursday, March 28, 2019, setting the stage for the ride-hailing pioneer's hotly anticipated stock market debut. (AP Photo/Gene J. Puskar, File)