Hycor Biomedical Inc.: The board of the...

Hycor Biomedical Inc.: The board of the Irvine company, which develops medical diagnostic products, has authorized the repurchase of up to an additional 820,000 of the common shares. The company said the stock will be repurchased from time to time on the open market. Hycor, which had 8.1 million shares outstanding Tuesday, said it previously repurchased 800,000 shares.