RACK Rackable Systems, Inc., Milpitas, CA. -39% on 30 million shares: warning for next quarter 01/17/2007

REFR Research Frontiers, Inc., Woodbury, NY +32% on 1.75 million shares: Hitachi begins sales 02/01/2007

RMBS Rambus Inc., Los Altos, CA. +30% on 36.5 million shares: possible outcome of FTC hearing 11/16/2006

ROCM Rochester Medical Corporation Stewartville, MN. -23% on 3.2 million shares: upcoming earnings. 4/27/2007