JA Solar should be considered by value investors due to its low P/B ratio. As of Dec. 28, 2015, it has a P/B ratio of 0.55, while the industry average is 1.90. Therefore, the stock is undervalued and its market value is less than its book value. JA Solar is up 19.73% YTD and 33.33% over the past three months, and it is poised to continue its growth through 2016.