Top 10 Best-Performing Mid Cap Stocks in 2011: GLNG, QCOR, VHI, ELN, HS, COG, ULTA, CBST, PSMT, HANS

Below are the top 10 best-performing Mid Cap stocks for the past year.

Golar LNG Limited (USA) (NASDAQ:GLNG) is the 1st best-performing stock in 2011 in this segment of the market. It was up 196.14% for the year. Its price percentage change was 1.95% in the past month. Questcor Pharmaceuticals, Inc. (NASDAQ:QCOR) is the 2nd best-performing stock in 2011 in this segment of the market. It was up 182.28% for the year. Its price percentage change was -7.50% in the past month. Valhi, Inc. (NYSE:VHI) is the 3rd best-performing stock in 2011 in this segment of the market. It was up 173.50% for the year. Its price percentage change was -3.25% in the past month. Elan Corporation, plc (ADR) (NYSE:ELN) is the 4th best-performing stock in 2011 in this segment of the market. It was up 139.79% for the year. Its price percentage change was 26.99% in the past month. HealthSpring, Inc (NYSE:HS) is the 5th best-performing stock in 2011 in this segment of the market. It was up 105.58% for the year. Its price percentage change was -0.15% in the past month.

Cabot Oil & Gas Corporation (NYSE:COG) is the 6th best-performing stock in 2011 in this segment of the market. It was up 100.53% for the year. Its price percentage change was -14.32% in the past month. Ulta Salon, Cosmetics & Fragrance, Inc. (NASDAQ:ULTA) is the 7th best-performing stock in 2011 in this segment of the market. It was up 90.94% for the year. Its price percentage change was -6.76% in the past month. Cubist Pharmaceuticals, Inc. (NASDAQ:CBST) is the 8th best-performing stock in 2011 in this segment of the market. It was up 85.14% for the year. Its price percentage change was 2.72% in the past month. PriceSmart, Inc. (NASDAQ:PSMT) is the 9th best-performing stock in 2011 in this segment of the market. It was up 82.99% for the year. Its price percentage change was 2.56% in the past month. Hansen Natural Corporation (NASDAQ:HANS) is the 10th best-performing stock in 2011 in this segment of the market. It was up 76.24% for the year. Its price percentage change was -0.07% in the past month.