IPOs

Fitbit, the maker of wearable fitness-tracking devices, said Tuesday that it now expects to raise as much as $656 million in its initial public offering, more than it previously expected.

Credit reporting company TransUnion set an expected price range Monday for its initial public offering that could garner as much as $781.5 million.

Shares of Wingstop are rocketing after the chicken wings restaurant chain said its initial public offering raised $110.2 million.

Shares of Shopify are climbing after its initial public offering raised about $131 million, more than the company expected.

Fitbit, the maker of a popular line of wearable fitness-tracking devices, on Thursday filed for an initial public offering worth up to $100 million.

Shares of cancer drug developer Adaptimmune are up slightly after the British company's initial public offering raised $191.3 million.

Shares of Blueprint Medicines are climbing after the biotech cancer drug developer's initial public offering raised $146.6 million, above its expectations.

The five companies that raised the most money in their stock market debut this year include GoDaddy, the web hosting company known for its racy TV commercials.

Shopify, which provides a platform for small- and mid-size businesses that sell products online, plans to go public.

Sears is posting its fourth straight year of falling profit and revenue, though cost cutting narrowed those declines in the fourth-quarter.