Immucor is out for blood that is testing blood for antibodies and other serum components prior to transfusions. With its acquisition of Gamma Biologicals and Biopool International in the past decade, this market leader in blood testing systems sales has had a 2,893% rate of return. Rising stock prices from $1.14 in 97 to $33.39 in 07 has been a result of its worldwide expansion. Their recent double-digit sales growth is generating investor interest today. A covered call investing position for BLUD is currently available for August stock options expiration with a potential return of 2.9%