C3.ai, Ameresco and Enovis draw valuation concerns in Russell 2000 screen

C3.ai, Ameresco and Enovis were flagged on May 15, 2026, as Russell 2000 stocks facing skepticism tied to valuation and investment risk, according to a StockStory screening note. C3.ai (NYSE: AI), an enterprise artificial intelligence software company with a market value of $1.38 billion, was cited at $9.46 a share and 6.7 times forward price-to-sales. Ameresco (NYSE: AMRC), an energy and renewable energy solutions provider valued at $1.62 billion, traded at $30.57, or 25.2 times forward earnings. Enovis (NYSE: ENOV), an orthopedic medical device maker with a market capitalization of $1.43 billion, was listed at $25.07 a share and 7 times forward earnings. The note said smaller Russell 2000 companies can offer higher growth potential but often carry greater balance-sheet and operating risk than large-cap peers.