	firm has coopervision eye stock will buy more siebel capital management inc a california investment adviser told the securities and exchange commission sec it bought mln coopervision inc common shares or pct of the total outstanding in its sec filing the firm said it intends to uire more stock and may attempt to influence management of the company to make major changes in the company s business or corporate structure siebel said it made net purchases of coopervision shares since jan reuter 
