White Tale Holdings, the Cayman Island-based vehicle created by hedge funds Corvex and 40 North, has increased its stake in Clariant to above 15%, and has stated that it maintains its opposition to the merger of equals between Huntsman and Clariant.  Clariant said it does not agree with White Tale's statements, which made in a open letter that was sent to its board.  In a statement released yesterday to the press, Clariant said:  “To the contrary we are convinced that: The propos...