Shares of Doosan Heavy Industries tumbled Monday after it announced its plan to sell new shares to raise 1.5 trillion won ($1.25 billion) last week.
Korean Air Lines has received orders for more shares than it made available in a recent offering.
Kakao Bank is issuing 31.9 million new shares and selling one-third of them to a major U.S. hedge fund.
Doosan Heavy Industries & Construction said Friday it will issue 1.3 trillion won ($1.1 billion) in new stock to improve its financial structure.
Hanjin Transportation will be issuing 100 billion won ($84 million) of new shares, the company's board decided Thursday.
Jin Air is issuing 109.2 billion won ($91.96 million) of new shares following a board vote in favor of the sale on Wednesday.
Hanjin KAL announced Thursday it will invest up to 300 billion won ($244 million) to purchase a portion of the 1 trillion won in new stock Korean Air Lines will issue later this year