Regal Entertainment Group ( RGC) said second-quarter earnings fell 37% from a year ago. The Knoxville, Tenn., theater owner said it earned $16.6 million, or 11 cents a share, for the quarter ended June 30. That compared to $26.4 million, or 17 cents a share, during the same period last year. Revenue rose 6.5% to $684.6 million. A charge on debt extinguishment took a $19 million bite out of the latest quarter. Adjusting for that charge, Regal earned $35.6 million, or 23 cents a share. Analysts polled by Thomson Financial were looking for the company to earn 27 cents a share on $679.3 million in revenue. The company declared a 30-cent cash dividend payable on Sept. 19 and said it intends to pay a regular quarterly dividend for the foreseeable future. Regal shares fell 32 cents early Monday to $20.50.