Francois Pinault’s Artemis SA holding company went back on trial in a $4 billion California junk-bond case. Lawyers for the California insurance commissioner and Artemis gave opening statements today in federal court in Los Angeles. Arthur Shartsis, a lawyer for the insurance commissioner, said Artemis was liable for $4.33 billion in profits and interest from junk bonds that should have gone to policy holders of a restructured life insurance company according to a new report at www.businessweek.com