Top 10 Best-Performing Mid-Cap Stocks Year-to-Date: NFLX, ME, LCAPA, ARA, ABII, OSIP, VRX, AKAM, UAUA, ARMH (Aug 17, 2010)

Below are the top 10 best-performing Mid-Cap stocks year-to-date.

Netflix, Inc. (NASDAQ:NFLX) is the 1st best-performing stock year-to-date in this segment of the market. It has risen 149.08% since the beginning of this year. Its price percentage change is 208.43% for the last 52 weeks. Mariner Energy, Inc. (NYSE:ME) is the 2nd best-performing stock year-to-date in this segment of the market. It has risen 99.40% since the beginning of this year. Its price percentage change is 87.60% for the last 52 weeks. Liberty Media Corp (Capital) (NASDAQ:LCAPA) is the 3rd best-performing stock year-to-date in this segment of the market. It has risen 90.24% since the beginning of this year. Its price percentage change is 169.45% for the last 52 weeks. Aracruz Celulose SA (ADR) (NYSE:ARA) is the 4th best-performing stock year-to-date in this segment of the market. It has risen 89.89% since the beginning of this year. Its price percentage change is 117.46% for the last 52 weeks. Abraxis Bioscience, Inc. (NASDAQ:ABII) is the 5th best-performing stock year-to-date in this segment of the market. It has risen 86.17% since the beginning of this year. Its price percentage change is 152.90% for the last 52 weeks.

OSI Pharmaceuticals, Inc. (NASDAQ:OSIP) is the 6th best-performing stock year-to-date in this segment of the market. It has risen 85.09% since the beginning of this year. Its price percentage change is 100.66% for the last 52 weeks. Valeant Pharmaceuticals International (NYSE:VRX) is the 7th best-performing stock year-to-date in this segment of the market. It has risen 80.78% since the beginning of this year. Its price percentage change is 113.88% for the last 52 weeks. Akamai Technologies, Inc. (NASDAQ:AKAM) is the 8th best-performing stock year-to-date in this segment of the market. It has risen 73.20% since the beginning of this year. Its price percentage change is 143.70% for the last 52 weeks. UAL Corporation (NASDAQ:UAUA) is the 9th best-performing stock year-to-date in this segment of the market. It has risen 68.40% since the beginning of this year. Its price percentage change is 253.50% for the last 52 weeks. ARM Holdings plc (ADR) (NASDAQ:ARMH) is the 10th best-performing stock year-to-date in this segment of the market. It has risen 67.17% since the beginning of this year. Its price percentage change is 130.81% for the last 52 weeks.