Shares of Wabtec have declined 25% so far in December, far more disproportionately than the average 11% decline experienced by its Multi-Industry peers and the 9% decline in the S&P 500, William Blair analyst Nicholas Heymann tells investors in a research note. The selloff coincides with rising investor concerns surrounding a potential trade correction in China, slowing global GDP growth, rising interest rates in the United States, and the continued impact of transit rail delivery delays on a handful of important U.K. contracts, says the analyst. Heymann, however, is unaware of any change in Wabtec's near-term fundamental outlook or of any deterioration in the external macroeconomic indicators affecting the company. As such, he believes the stock's current price, just above the 52-week low, has created a "compelling entry point for value-oriented investors." Heymann reiterates an Outperform rating on the name.