XLV lags SPY by double digits over the past year, but Buffett's UNH bet, hedge fund buys and AI optimism hint at a healthcare revival.

Berkshire Hathaway stock is down since the start of the second quarter, but there’s more to the story. Berkshire’s operating ...

Wall Street's current valuations rank among the highest in history, driven by AI hype, stretched metrics, and fragile market breadth dominated by mega-cap stocks.