Heelys, Inc. (NasdaqCM: HLYS) had a stellar early afternoon Thursday, climbing 23.59 percent to $3.51. Volume in the stock surmounted 2,512,432 where it would normally be around 61,000.  The Carrollton, Texas-based sports shoe maker reported Wednesday about its Nano™ shoe-skate, which creates a hybrid skate system by working with Heelys to create a stable platform for the front foot, allowing the user’s rear foot to build momentum, carve sharp turns, and perform a wide variety of tricks.

Sirius XM Radio Inc. (NasdaqGS: SIRI) broke towards the top of the pack among volume leaders, trading 44,142,343 shares Thursday, in comparison to a full-day average of 75,408,100. Those shares slid a bit in price, though, by 1.71 percent to $1.43, on word that a Knight Libertas media and telecom analyst raised her SIRI price target to $1.67 from her previous fair value estimate of $1.32-$1.48.

NASB Financial, Inc. (NasdaqCM: NASB) struggled Thursday in afternoon trading, falling in price 17.46 percent to $15.65. Volume in NASB was 9,305 shares, only slightly above its daily average of 7,171. NASB operates a retail banking operation in Missouri and Kansas.