Key Takeaways According to the efficient markets hypothesis (EMH), stock prices reflect all available information, suggesting that it's impossible for investors to find undervalued stocks. Warren Buffett argues against the EMH by pointing to examples of value investors, including himself, who have outperformed the market. Still, Buffett recommends that non-professional investors should choose low-cost index...

Optimism for AI-powered drug discovery is rising as industry giants, startups, and even Sam Altman step up investments 

US stocks had a stellar 2025, but global markets stole the show. A major index tracking stocks outside the US, the MSCI All Country World ex-USA, gained 29.2% in 2025, handily outpacing the S&P 500’s gain of 16.39%. The artificial intelligence boom has benefited markets in Asia, where tech companies and chipmakers have seen surges...