L.B. Foster Company’s (FSTR) shares have appreciated 25.3% in the past six months. The company also outperformed the industry’s decline of 9.1% and topped the S&P 500’s nearly 16% rise over the same period.Image Source: Zacks Investment ResearchLet’s take a look at the factors driving the stock’s price appreciation.What’s Driving L.B. Foster?L.B. Foster witnessed solid growth in the first quarter of 2024. Despite facing challenges like divestitures and product line exits, the company's net sales soared to $ ...