Wave Systems Corp (NASDAQ: WAVX) shares lost 12.64% to create a new 52-week low of $0.43. Wave Systems reported disappointing results for Q1 2013, below the Q4 2012 levels. Prime Acquisition (NASDAQ: PACQ) shares fell 17.60% to touch a new 52-week low of $8.10. Prime Acquisition's

NewLead Holdings Ltd. (NASDAQ: NEWL), today announced that Michael Zolotas, president and chief executive officer of NewLead, will assume the role and responsibilities of chairman of the Company following the recent resignation of Nicholas Fistes as chairman and director of the Company.

Michael Zolotas, chairman, president and chief executive officer of NewLead, stated,

Below are highlights from Benzinga's daily coverage of small cap securities making big moves:

NewLead Holdings

Shares of NewLead Holdings (NASDAQ: NEWL), the Greece-based shipping and commodity company, rose 22% Thursday on 24 times average volume.

NewLead Holdings announced Thursday that it has entered into an agreement to acquire title and

NewLead Holdings Ltd. (NASDAQ: NEWL) ("NewLead") today announced that the Company has entered into an agreement to acquire title and excavation rights in properties containing 18.6 million tons of estimated coal reserves for $11.0 million. NewLead also entered into an agreement to acquire ownership and leasehold interests in properties containing approximately 143.1

RadiSys (NASDAQ: RSYS) surged 23.18% to $4.07 at 9:55 am. Radisys raised its Q4 forecast.

Express (NYSE: EXPR) surged 18.99% to $16.73. Express lifted its forecast for the fourth quarter and full year.

Colony Bankcorp (NASDAQ: CBAN) climbed 15.96% to $5.74. Colony Bankcorp's trailing-twelve-month operating margin