A retrospective compilation of Marks' most enduring principles. He reinforces the importance of cycle awareness, risk control, and the necessity of a contrarian mindset for achieving superior long-term returns.

Examines how market participants often overreact to news, leading to mispricings that disciplined, contrarian investors can exploit by focusing on intrinsic value.

Discusses the importance of gauging market sentiment and cycle positioning to determine whether to lean into aggressiveness or defensiveness.

Marks explores the necessity of second-level thinking and contrarianism. He argues that to achieve superior performance, an investor must be willing to look wrong for a period while holding a non-consensus view.

Discusses the need to balance aggressiveness and defensiveness as market prices drop, suggesting that the time to start buying is when fear is at its peak.

Marks argues that investors must acknowledge their lack of knowledge about the pandemic's trajectory and focus on defensive positioning rather than aggressive forecasting.

Marks advocates for 'two-handed' thinking, presenting both the bullish and bearish cases for the economy to illustrate the importance of intellectual humility and the dangers of one-sided conviction.

Marks discusses second-level thinking, explaining that superior investment results require a more complex and contrarian thought process than the average market participant.

A follow-up to his 2006 memo, Marks argues that achieving superior performance requires the courage to be different and the willingness to look wrong.

Marks explains why conventional thinking can never produce unconventional results, and why the path to great investing requires not just being different but being different and right—a combination that demands both insight and the courage to act on it.

Critiques the tendency of investors to overreact to short-term news and the fallacy of believing markets are always efficient.

Marks lists indicators of a maturing bull market, such as high valuations and aggressive capital issuance, advising investors to increase caution when others are becoming increasingly bold.

Marks examines the prevailing bullish sentiment and challenges the consensus view that the economy is on a sustainable path, emphasizing the importance of skepticism and contrarian thinking in market analysis.

Using the hemline theory as a metaphor, Marks discusses how investment styles go in and out of fashion, urging investors to focus on fundamentals rather than temporary market trends.

This memo contends that market panics lead to irrational pricing, allowing disciplined value investors to acquire assets at significant discounts to their intrinsic value.

Written during the depths of the 2008 crisis, Marks argues that when everyone is convinced the world is ending, the potential for profit is at its highest because prices reflect total despair.

In the depths of the 2008 financial crisis, Buffett published a landmark op-ed declaring he was moving his personal portfolio entirely into American stocks. His core argument: be greedy when others are fearful, and fearful when others are greedy.

Highlights the investment opportunities created when market sentiment swings violently from irrational exuberance to indiscriminate fear and forced selling of quality assets.

Marks argues that consensus views are already reflected in asset prices, meaning superior returns can only be achieved by diverging from the crowd and being right.

Achieving greatness requires non-consensus behavior and the courage to be lonely, as benchmark-hugging ensures only average results at best.

Marks critiques the mutual fund industry for its focus on relative performance and closet indexing. He argues that true value is added through idiosyncratic risk-taking and a willingness to be different from the crowd.

An exploration of the mechanics of investment performance, arguing that superior returns are generated by buying assets at prices significantly below their intrinsic value.

A collection of observations on market efficiency and the role of luck, emphasizing the necessity of a contrarian mindset during periods of extreme market sentiment.

Marks outlines his philosophy for finding bargains by looking where others aren't. He emphasizes the need for a contrarian mindset and the discipline to wait for the right price.

Marks explores the psychological and structural reasons why markets become inefficient. He argues that human emotion and lack of information create opportunities for contrarian investors to find mispriced assets.