Thinking about buying stocks as the new year begins? You might want to press the pause button.No, I'm not recommending that you avoid the stock market altogether. That could prove to be a mistake over the long term. However, Warren Buffett has some words of wisdom that I think every investor should heed. Take Buffett's advice: Don't buy any stock in 2024 unless it passes this straightforward test. The Buffett testIn Buffett's annual letter to Berkshire Hathaway (BRK.A 0.50%) (BRK.B 0.53%) shareholders relea ...