BYD, the Chinese electric-vehicle maker backed by Warren Buffett, is taking some of the zing out of the red-hot renewable energy sector. Investors are concerned that some bets in the green energy segment have become crowded, while others say that price gains are unsustainable.

Warren Buffett-backed BYD latest Chinese green energy stock to take a hit as valuation, insider selling concerns build up comes via ChinaTechNews.com.