Fusion-io, Inc. (NYSE:FIO) is up 8.64% today at $41.39. FIO is up on large volume today with 2.3 million shares traded so far, more than twice its daily average. Over the past 5 days FIO has jumped from $34 to over $41. Fusion-io develops memory storage technologies. The company has a current market cap of 3.42 billion.

Bankrate, Inc. (NYSE:RATE) is up 3% today at $20.70. RATE has traded 509 thousand shares, up from its daily average of 223 thousand shares. Over the past 5 days, RATE has traded relatively flat except last Thursday when it fell from nearly $22 to just over $19 in one day. Bankrate has a current market cap of 2.07 billion.

Joy Global, Inc. (NASDAQ:JOYG) is up 4.37% today at $89.92. JOYG has traded 4.2 million shares today, up from its daily average of 2.3 million shares. Over the past 5 days, JOYG has moved from under $82 to over $90. Joy Global has a current market cap of 9.46 billion.

Colfax Corporation (NYSE:CFX) is up 4.5% today at $31.36. Colfax was upgraded by UBS from neutral to buy on Novmeber 15. CFX has traded 1.2 million shares today, double its usual trading volume. In the past 5 days, CFX has moved from $27 to over $32. The company has a current market cap of 1.37 billion.

GNC Holdings Inc. (NYSE:GNC) is up 2.36% today at $27.81. GNC has traded 2 million shares so far today, up 1 million from its daily average volume. Over the past 5 days, GNC has moved from below $26 to $27.80. The company has a current market cap of 2.94 billion.