4 Auto Components stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Fox Factory Holding Corp. (FOXF) earns a A this week, jumping up from last week’s grade of B. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of FOXF stock.

Stoneridge, Inc. (SRI) improves from a B to a A rating this week. Stoneridge, Inc. is an independent designer and manufacturer of highly engineered electrical and electronic components, modules and systems for the medium- and heavy-duty truck, agricultural, automotive and off-highway vehicle markets. The company also gets A’s in earnings growth, earnings surprise, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of SRI stock.

The rating of Unique Fabricating, Inc. (UFAB) moves up this week, rising from a C to a B. For more information, get Portfolio Grader’s complete analysis of UFAB stock.

SORL Auto Parts, Inc. (SORL) boosts its rating from a B to a A this week. SORL Auto Parts, Inc. manufactures and distributes automotive air brake valves and hydraulic brake valves. The company also gets A’s in sales growth, operating margin growth, earnings growth, earnings revisions, earnings surprise, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of SORL 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.