Key Points The S&P 500 is getting overheated, but there are still plenty of undervalued plays. Opendoor’s business should stabilize as interest rates decline. Lumen’s big cloud and AI contracts could drive its long-term recovery. 10 stocks we like better than Opendoor Technologies › As the S&P 500 hovers near its all-time highs, it might not seem like the best time to buy new stocks. After all, Warren Buffett warned investors to be "fearful when others are greedy" -- and there's a lot of greed ba ...