) are lower on the session by 2.77%, currently trading at $5.26. The stock has been moving largely higher over the past three months and is currently trading above the 50-day and 200-day moving averages. Options traders are buying calls on the name today. A short while ago the August 2011 $7.50 call was purchased 1,100 times, on the offer, on open interest of only 17 contracts. This signals new positioning on the name. Overall call volume is now running at 6.19x the daily average with 93% of all calls traded being purchases on the offer. Affymetrix, Inc. develops, manufactures and sells products and services for genetic analysis to the life science research and clinical healthcare markets. The company offers a line of products for two principal applications: genotyping and gene expression.