3D Systems Corporation (Nasdaq: TDSC) shares zoomed 40.4% higher to $49.36, on volume of 973,494 shares, more than 10 times its daily average, after announcing its Q4 profits nearly tripled.

Ford Motor Company (NYSE: F) traded Thursday in 53.6 million shares, falling short of its daily average of 86 million. F prices were in reverse 0.3% to $15.93.

K-Swiss Inc. (Nasdaq: KSWS) lost 10.8% in price Thursday to $9.98. Volume was 620,716 shares, squashing a daily average of 96,950. The company reported today that net loss for the fourth quarter of 2010 was $20.6 million, compared to a loss of $12.5 million for the prior-year period.