Calix (CALX +8.4%) jumps on news CFO Michael Ashby bought 50K shares yesterday. The fiber...

|By:, SA News Editor

Calix (CALX +8.4%) jumps on news CFO Michael Ashby bought 50K shares yesterday. The fiber equipment firm has had a rough time dealing with a poor U.S. telecom capex environment. 11.3% of Calix's float was shorted as of Aug. 15.