Quantum Corp. (NYSE: QTM) shares added 15.7% to $3.07, on volume of 11.3 million, more than double its 4.5 million average, after the maker of backup programs for computers said NetApp Inc. (Nasdaq: NTAP) would sell its products around the world. NetApp shares increased 1.8% to $48.70.
SIRIUS XM Radio Inc. (Nasdaq: SIRI) bought and sold 39.3 million shares Wednesday, though below its daily average of 54.2 million. Prices rose 1.4% to $1.84, after announcing its reverse stock split won’t be extended.
Kingtone WirelessInfo Solution (Nasdaq: KONE) fell 9% in price to $1.80 Wednesday, on volume of 414,000, towering over its daily average of 61,000.