Warren Lammert, portfolio manager of the $4.7 billion Janus Mercury...

Warren Lammert, portfolio manager of the $4.7 billion Janus Mercury Fund, is leaving to pursue investment management opportunities outside the mutual fund industry. David Corkins will assume control of the Mercury Fund and will continue to manage the $5.2 billion Janus Growth & Income Fund. The funds are sponsored by Janus Capital Corp., Denver.