Below are stocks making major moves in pre-open action Wednesday.

HIGHER:
Guidance Software, Inc. (NASDAQ: GUID) 16% HIGHER; tops Q4 views, guides above the Street
Avid Technology, Inc. (NASDAQ: AVID) 15% HIGHER; tops Q4 results
Buffalo Wild Wings, Inc. (NASDAQ: BWLD) 15% HIGHER; tops Q4 results
Synchronoss Technologies, Inc. (NASDAQ: SNCR) 13% LOWER; tops Q4 views, guides above the Street
Rambus (NASDAQ: RMBS) 10% HIGHER; RMBS and NVIDIA (NVDA) Announce Patent License Agreement, Settle All Claims
Calix Networks (NYSE: CALX) 10% HIGHER; tops Q4 views
Mitek Systems (NASDAQ: MITK) 8% HIGHER; tops Q4 views
Glu Mobile, Inc. (NASDAQ: GLUU) 8% HIGHER; tops Q4 views
Discovery Laboratories, Inc. (NASDAQ: DSCO) 6%