Today’s midday gainers are J.C. Penney Company, Inc. (NYSE:JCP), Dex Media Inc (NASDAQ:DXM), Herbalife Ltd. (NYSE:HLF) and midday losers are BioFuel Energy Corp. (NASDAQ:BIOF), 3D Systems Corporation (NYSE:DDD), Stratasys, Ltd. (NASDAQ:SSYS).

J.C. Penney JCP

J.C. Penney is today’s top performing stock

Today’s number one midday gainer is J.C. Penney Company, Inc. (NYSE:JCP). The retailer’s stock price surged +7.78% to $9.39 after presenting favorable Q4 earnings guidance. Billionaire George Soros holds 19.9 million shares (1.93% of his fund), acquired for $16.66. David Tepper has 738,000 shares, bought at $13.36 each and composing 0.10% of his fund.

Marketer Dex Media Inc (NASDAQ:DXM) is up +7.62%, now trading at $5.16. John Paulson holds 2.2 million shares, a position acquired during Q3 at $16.64 per asset. DXM represents 0.12% of Paulson’s portfolio.

The third and final stock on our midday gainers list today is Herbalife Ltd. (NYSE:HLF), which rose +7.59% to $70.98. Billionaire Carl Icahn holds 16.9 million shares (4.81% of his fund), purchased for $38.79 during the first quarter of the year. George Soros owns more than five million shares (3.84% of his fund), acquired for $42.72 during Q3.

Midday Losers

BioFuel Energy Corp. (NASDAQ:BIOF) dropped -8.64% to $2.01 today. Daniel Loeb holds more than one million shares, representing 0.10% of his fund. The billionaire paid an average price of $2.57 per asset. David Einhorn is another BIOF stakeholder with 1.4 million shares (0.09% of his fund). The investor paid an average price of $19.02 per share.

Following BioFuel Energy Corp. is 3D Systems Corporation (NYSE:DDD). The tech stock dipped -6.62% to $70.51. Tiger Global Management holds 1.2 million shares, representing 1.15% of its portfolio. The fund paid an average price of $32.74 per asset.

The last company in our midday losers list is Stratasys, Ltd. (NASDAQ:SSYS), which fell -6.39%, hitting $109.45. This was a hit for Tiger as well, as the fund holds 1.3 million SSYS shares (2.21% of its holdings), acquired for $76.09 each.