Rare Element Resources Ltd. (AMEX:REE) is up 17.63% this morning at $5.67. REE has traded 1.8 million shares today, more than twice its daily average. REE is up more than $2 a share since last Friday. REE has been rallying hard since Wednesday after they reported 38% increase in rare earth resources at Bear Lodge. The company has a market cap of 246.89 million.

Exide Technologies (NASDAQ:XIDE) is up 11.39% at $3.13 today. XIDE has traded 802 thousand shares so far today and trades just over a million shares a day on average. The company has a market cap of 243.74 million.

Zogenix, Inc. (NASDAQ:ZNGX) is up 10.23% in early trading at $2.91. ZGNX has traded 443 thousand shares already today, 100 thousand shares more than its daily average. ZGNX is up 0.60 a share this week. The company has a market cap of 188.84 million.

Avalon Rare Metals Inc. (AMEX:AVL) is up 7.66% today at $2.81. AVL has traded 632 thousand shares so far today and trades 872 thousand shares on average. The company has a market cap of 291.10 million.

Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) is up 6.20% this morning at $64.72. REGN has traded 604 thousand shares today and trades 1.2 million shares a day on average. REGN shares are up today after being upgraded to buy form hold by Jefferies. The company has a market cap of 5.90 billion.

Och-Ziff Capital Management Group LLC (NYSE:OZM) is up 5.56% today at $8.92. OZM has traded 755 thousand shares so far today and trades 1.7 million shares a day on average. The company has a market cap of 890.91 million.

Barnes & Noble, Inc. (NYSE:BKS) is up 3.83% this morning at $11.66. BKS is up on large volume today with 2.3 million shares traded, about a million more shares than it trades on average. BKS shares are up today after the company said yesterday that sales of Nook devices during the last nine weeks of the year were up 70% compared to the same period last year. The company has a market cap of 677.03 million.