Top 10 Best-Performing Mid-Cap Stocks Year-to-Date: ME, LCAPA, ARA, NFLX, OSIP, ABII, UAUA, ARMH, VRX, AKAM (Jul 28, 2010)

Below are the top 10 best-performing Mid-Cap stocks (market cap between $2 billion and $10 billion) year-to-date.

Mariner Energy, Inc. (NYSE:ME) is the 1st best-performing stock year-to-date in this segment of the market. It has risen 104.48% since the beginning of this year. Its price percentage change is 84.03% for the last 52 weeks. Liberty Media Corp (Capital) (NASDAQ:LCAPA) is the 2nd best-performing stock year-to-date in this segment of the market. It has risen 95.14% since the beginning of this year. Its price percentage change is 213.38% for the last 52 weeks. Aracruz Celulose SA (ADR) (NYSE:ARA) is the 3rd 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. Netflix, Inc. (NASDAQ:NFLX) is the 4th best-performing stock year-to-date in this segment of the market. It has risen 88.95% since the beginning of this year. Its price percentage change is 149.62% for the last 52 weeks. OSI Pharmaceuticals, Inc. (NASDAQ:OSIP) is the 5th 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.

Abraxis Bioscience, Inc. (NASDAQ:ABII) is the 6th best-performing stock year-to-date in this segment of the market. It has risen 84.46% since the beginning of this year. Its price percentage change is 138.06% for the last 52 weeks. UAL Corporation (NASDAQ:UAUA) is the 7th best-performing stock year-to-date in this segment of the market. It has risen 83.66% since the beginning of this year. Its price percentage change is 537.37% for the last 52 weeks. ARM Holdings plc (ADR) (NASDAQ:ARMH) is the 8th best-performing stock year-to-date in this segment of the market. It has risen 82.01% since the beginning of this year. Its price percentage change is 140.06% for the last 52 weeks. Valeant Pharmaceuticals International (NYSE:VRX) is the 9th best-performing stock year-to-date in this segment of the market. It has risen 75.84% since the beginning of this year. Its price percentage change is 123.69% for the last 52 weeks. Akamai Technologies, Inc. (NASDAQ:AKAM) is the 10th best-performing stock year-to-date in this segment of the market. It has risen 74.94% since the beginning of this year. Its price percentage change is 118.05% for the last 52 weeks.