This week, these ten stocks, all currently earning A’s (“strong buy”) on Portfolio Grader, have the best year-to-date performance.

Since the first of the year, the price of Ingles Markets, Incorporated Class A (IMKTA) has swelled 21.5%. Ingles Markets operates a supermarket chain in the southeastern United States. For more information, get Portfolio Grader’s complete analysis of IMKTA stock.

For more information, get Portfolio Grader’s complete analysis of PSXP stock.

Since January 1, Silicon Motion Technology Corporation Sponsored ADR (SIMO) has climbed 22.8%. Silicon Motion Technology is a semiconductor company that designs, develops, and markets semiconductor products for the multimedia consumer electronics market. The volume of trades has grown significantly in the past week, up 331%. For more information, get Portfolio Grader’s complete analysis of SIMO stock.

Since January 1, Freescale Semiconductor Inc (FSL) has shot up 31.2%. Freescale Semiconductor provides embedded processing semiconductors and related solutions. For more information, get Portfolio Grader’s complete analysis of FSL stock.

For more information, get Portfolio Grader’s complete analysis of COMM stock.

Shares of United Insurance Holdings Corp. (UIHC) have risen 32.5% since January 1. United Insurance Holdings is a property and casualty insurance company that sources, writes, and services residential property and casualty insurance policies in Florida, South Carolina, Massachusetts, Rhode Island, and North Carolina. For more information, get Portfolio Grader’s complete analysis of UIHC stock.

The price of Hospira, Inc. (HSP) has seen a 39.4% boost since the first of the year. Hospira is a global pharmaceutical and medication delivery company that develops, manufactures and markets products. Trade volume rose notably over the past week, up 1082.4%. For more information, get Portfolio Grader’s complete analysis of HSP stock.

Ebix, Inc. (EBIX) has risen 40.1% since the first of the year. Ebix provides a series of application software products for the insurance industry, including carrier systems and agency systems. For more information, get Portfolio Grader’s complete analysis of EBIX stock.

Since January 1, MarineMax, Inc. (HZO) has climbed 41%. MarineMax retails recreational boats in the United States. For more information, get Portfolio Grader’s complete analysis of HZO stock.

Since January 1, the price of ABIOMED, Inc. (ABMD) has grown 57.8%. Abiomed provides medical devices in circulatory support and it offers a continuum of care in heart recovery to acute heart failure patients. For more information, get Portfolio Grader’s complete analysis of ABMD stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.