David Yu is a finance professor at New York University Shanghai who specializes in cross-border financing and aviation finance and leasing. His new book, "Aircraft Valuation and Leasing," is out in October. When Hong Kong-based airline Cathay Pacific Airways suspended its shares from trading last week ahead of an announcement, investors and the broader airline industry wondered whether there was good news to come -- or, following the post-coronavirus aviation collapse, bad. It was good: the Hong Kong government would lead a $5 billion recapitalization of the airline.