Billionaire Howard Marks Has a Warning for AI Investors: There’s “No Reward” for Rushing In
A stock dropping 20% sounds like a bargain until you run the numbers and realize it just got more expensive. Howard Marks has a pointed warning for AI investors who mistake a falling price for a reason to buy.
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Artificial intelligence gives investors plenty to watch and fewer reasons to feel certain. A business can expand sales, spend billions building capacity, and still leave shareholders guessing when that spending will pay off. A falling share price adds another temptation: buying before the next rebound leaves you behind.
But a cheaper stock isn’t automatically a bargain. The growing demands of the AI infrastructure spending boom make the purchase price only half the calculation. The other half is what owners eventually receive. Billionaire investor Howard Marks is urging investors to take that uncertainty seriously before making their next move.
Howard Marks’s ‘No Reward’ Warning
During Bloomberg Television’s Nov. 2 interview on The China Show, the Oaktree Capital Management co-chair offered a reminder that applies well beyond technology:
“There is no reward in the investment business for hyperactivity.”
His point concerned investment behavior broadly. Applied to AI stocks, it challenges the urge to trade every earnings release or buy every decline.
Marks also explained why AI presents a valuation problem. Value investors commonly estimate earnings five years ahead, then judge what those earnings are worth today. He questioned whether that exercise is reliable for businesses such as Anthropic, given how quickly the technology changes.
He welcomed the skepticism emerging after recent AI-market setbacks. His message wasn’t that AI lacks opportunity. It was that investors should build portfolios for lasting performance rather than chase daily price movements.
For retail investors, the useful connection is straightforward: uncertainty about future profits deserves more due diligence, not faster trading.
A Lower Price Can Still Be Expensive
Consider an illustrative AI stock trading at $100, with investors expecting annual earnings per share of $5 five years from now.
Now suppose its price falls 20% to $80, but your revised earnings estimate falls 40% to $3.
| Hypothetical Valuation | Before | After |
| Share price | $100 | $80 |
| Estimated year-five EPS | $5 | $3 |
| Price divided by year-five EPS | 20 times | 26.7 times |
This simplified comparison ignores discounting, but shows how a stock can become more expensive relative to expected earnings even after its price declines. The investment case therefore needs more than a percentage discount from yesterday’s quote. It needs defensible assumptions about revenue, profit margins, and financing.
Checking free cash flow before buying an AI stock helps ground that exercise. Cash generated after capital spending reveals whether expansion funds itself or requires outside money. Negative free cash flow can finance future growth, but shareholders need a credible explanation of how that gap closes.
Patience Doesn’t Mean Abandoning AI
Marks provided useful context in his Feb. 26 Oaktree memo, AI Hurtles Ahead. He recognized AI’s potential while separating technological progress from the attractiveness of investment prices. His preferred response was moderate exposure selected with care. That leaves room to participate without making one uncertain forecast responsible for your entire portfolio.
For example, a hypothetical $5,000 position in a $100,000 portfolio represents 5% exposure. If it loses half its value, the direct loss equals 2.5% of the original portfolio, assuming everything else stays unchanged.
Position sizing cannot rescue a broken investment thesis. It can limit the damage when a forecast proves wrong. That matters when AI valuations leave little room for error.
Key Takeaway
Marks’s warning permits AI investors to wait until the numbers support a purchase. Before buying, write down the earnings assumptions, financing needs, and valuation that justify your price.
If those assumptions remain guesses, reduce the commitment or keep researching. The opportunity is to own a business at a sensible price. Pressing the buy button first earns no bonus.
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After two decades of patrolling the dark corners of suburbia as a police officer, Rich Duprey hung up his badge and gun to begin writing full time about stocks and investing. For the past 20 years, he’s been cruising the markets looking for companies to lock up as long-term holdings in a portfolio while writing extensively on the broad sectors of consumer goods, technology, and industrials. Because his experience isn’t from the typical financial analyst track, Rich is able to break down complex topics into understandable and useful action points for the average investor. His writings have appeared on The Motley Fool, InvestorPlace, Yahoo! Finance, Money Morning, and, of course, 24/7 Wall St. He has been featured in both U.S. and international publications, including MarketWatch, Financial Times, Forbes, Fast Company, and USA Today.
