IPOs

Shares of snack maker Amplify and residential solar company Sunrun both tumbled in their market debuts Wednesday.

Luxury retailer Neiman Marcus is filing for an initial public offering.

Irish drugmaker Shire PLC Is offering to buy Baxalta Inc. for about $30 billion in stock in a move to solidify its position in rare disease treatments.

Amplify Snack Brands, the maker of SkinnyPop popcorn and Paqui tortillas and tortilla chips, said Friday it expects its initial public offering to garner about $225 million.

SoulCycle, the high-end indoor cycling fitness chain, is heading to Wall Street.

U.S. payment processor First Data Corp filed with U.S. regulators on Monday for an initial public offering of common stock.

A squirrel brought down the Nasdaq for about half an hour on Aug. 2, 1994, by chewing into power lines near the exchange's computer center in Connecticut.

Supermarket operator Albertsons Companies Inc., the No.

Shares of Shake Shack have slumped this summer, and they dropped around 10 percent Tuesday after a Morgan Stanley analyst said the burger chain's stock is still too expensive.

Spanish-language broadcasting company Univision Holdings Inc. filed plans Thursday to launch an initial public offering of its stock.

Shares of TransUnion are climbing in morning trading after the credit rating company's initial public offering raised $664.8 million.

Planet Fitness Inc. filed plans for an initial public offering of as much as $100 million to raise funds for recapitalization transactions.

Fitbit is sprinting for a second consecutive day, with shares of the fitness tracking device maker jumping 7 percent Friday after its strong debut as a public company.

Shares of Mindbody Inc., which runs business software and an app that manage bookings at fitness and beauty businesses, fell on Friday during their first day of trading on the Nasdaq.