Top 10 Mid-Cap Stocks of the Week: AMMD, SLGN, LVLT, AGO, CEA, QIHU, GAME, SVU, STX, GME (Apr 17, 2011)

Below are the top 10 best-performing Mid-Cap stocks for the past week. Three Chinese companies (CEA, QIHU, GAME) are on the list.

American Medical Systems Holdings, Inc. (NASDAQ:AMMD) is the 1st best-performing stock last week in this segment of the market. It was up 32.02% for the past week. Its price percentage change was 56.31% year-to-date.Silgan Holdings Inc. (NASDAQ:SLGN) is the 2nd best-performing stock last week in this segment of the market. It was up 22.58% for the past week. Its price percentage change was 28.40% year-to-date. Level 3 Communications, Inc. (NASDAQ:LVLT) is the 3rd best-performing stock last week in this segment of the market. It was up 19.79% for the past week. Its price percentage change was 76.02% year-to-date. Assured Guaranty Ltd. (NYSE:AGO) is the 4th best-performing stock last week in this segment of the market. It was up 17.88% for the past week. Its price percentage change was -0.56% year-to-date. China Eastern Airlines Corp. Ltd. (ADR) (NYSE:CEA) is the 5th best-performing stock last week in this segment of the market. It was up 16.98% for the past week. Its price percentage change was -15.70% year-to-date.

Qihoo 360 Technology Co Ltd (NYSE:QIHU) is the 6th best-performing stock last week in this segment of the market. It was up 15.46% for the past week. Its price percentage change was N/A year-to-date. Shanda Games Limited(ADR) (NASDAQ:GAME) is the 7th best-performing stock last week in this segment of the market. It was up 14.15% for the past week. Its price percentage change was 15.40% year-to-date.SUPERVALU INC. (NYSE:SVU) is the 8th best-performing stock last week in this segment of the market. It was up 12.74% for the past week. Its price percentage change was 10.28% year-to-date. Seagate Technology PLC (NASDAQ:STX) is the 9th best-performing stock last week in this segment of the market. It was up 11.36% for the past week. Its price percentage change was 17.37% year-to-date. GameStop Corp. (NYSE:GME) is the 10th best-performing stock last week in this segment of the market. It was up 10.88% for the past week. Its price percentage change was 15.38% year-to-date.