	investor group cuts dba systems dbas stake a group led by new york investors david bellet and chester siuda said it lowered its stake in dba systems inc to shares or pct of the total outstanding from shares or pct in a filing with the securities and exchange commission the group said it sold dba common shares between feb and march at prices ranging from to dlrs a share so long as the group s stake in dba is below five pct it is no longer required to report its further dealings in the company s common stock reuter 
