CAMP is among today’s biggest stock losers with shares down over 9% to start off the day. DDD and GLUU stock are also down with shares down close to 5% in early trading Tuesday.

Several other big names had a lousy morning as the broader market posted meager gains the day before Christmas.

Here are Tuesday’s biggest stock losers.

Biggest Stock Losers

CalAmp (CAMP, -9%): CalAmp stock is down over 9% but analysts are optimistic about CAMP going into the New Year.

Camtek (CAMT, -8%): CAMT stock is down 8% in early trading Tuesday. However, 2013 was a big year for Camtek as CAMT stock price more than doubled.

3D Systems (DDD, -5%): DDD is one of the day’s biggest stock losers with shares down 5% a day after the company announced that it would acquire part of Xerox (XRX).

Glu Mobile (GLUU, -4%): Two months ago, analysts upgraded GLUU to ‘buy’ but they have downgraded it to ‘neutral’ as shares fall 4% Tuesday morning.

Miller Energy Sources (MILL, -4%): MILL stock is one of the day’s biggest stock losers with shares down 4% as the company continues to get itself into more trouble.

Pandora Media (P, -3%): P stock has more than doubled in value in 2013 but the music streaming company took a hit on Tuesday with shares down more than 3%.

Canadian Solar (CSIQ, -3%): CSIQ stock is down 3% after Canadian Solar sold two power plants to PSEG Solar Source (PSEG).