Bloomberg Alaska Air Group Inc. and Virgin America Inc. have agreed to give US antitrust officials more time to review their $2.6 billion deal after the government raised concerns that the combination may undermine competition in some markets. Alaska didn’t specify how much more time it’s given to the Justice Department to complete the review. The airlines had originally …

  Bloomberg Aritzia Inc., a Canadian women’s fashion retailer, may raise as much as C$400 million ($304 million) in its initial public offering after boosting the amount of shares being offered by 25 percent. Aritzia owners lifted the number of subordinated shares being sold to 25 million from 20mn, according to sale documents. The shares are being marketed for C$14 …

  Bloomberg Colombia’s Avianca Holdings SA and Avianca Brasil, the two airlines controlled by the Efromovich brothers, are seeking separate international partners while maintaining a long-term goal of merging, Jose Efromovich said. “We are under confidentiality agreements’’ and many companies have shown interest, Efromovich, the chairman of Avianca Brasil, said in an interview in Sao Paulo. “We are looking for …