Howard Marks warns that "credulousness" (excessive optimism) is rising in financial markets.
Points to Big Tech companies like Google, Microsoft, Amazon selling very long-term debt (30-100 years) as evidence of this trend.
Specifically mentions Google issuing 100-year bonds with a 5.8% yield as an example of unwarranted optimism.
Argues that when optimism and credulousness are ascendant, it becomes difficult to make investments that produce excess returns commensurate with risk.
On investing in AI and new technology, advises preferring equity over debt to capture upside potential if companies succeed.
Quotes colleague Bob O'Leary from a December 9 memo, emphasizing the wisdom of buying stock rather than lending money for AI investments.
Suggests that fixed-income investments in tech may not adequately reward investors compared to equity.
Implies a skeptical stance towards long-term debt offerings in a market perceived as overly optimistic.
Highlights the uncertainty in predicting the future, especially for rapidly evolving technologies like AI, making selection challenging.