Latest / Bull Market Conversations with Fexingo: Rallies, Momentum, and Riding Market Strength / Steve Eisman Sells AI Bets as Bull Market Turns Cautious
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- Lucas: Steve Eisman, the investor who made a fortune betting against the housing market in the mid-2000s, just sold a key tech stock. And his reason why is turning heads. Luna: He's the 'Big Short' guy, right? I saw the headline — he's starting to have doubts about AI. Lucas: Exactly. Eisman told CNBC he sold a major ai related holding because he thinks the narrative around artificial intelligence is getting ahead of reality. He's not alone in that view, but coming from someone with his track record, it carries weight. Luna: And the market seems to be listening, at least in part. The NASDAQ is down 4 percent in the last five days. The ARK Innovation ETF, which is heavy on unprofitable tech, dropped more than 7 percent. Lucas: Right, so we've got a divergence. The broader S&P 500 is only off 1.6 percent over that same period, but the high-growth, high-momentum names are getting hit. Eisman's sale might be a canary in the coal mine for that part of the market. Luna: Let's talk about his specific thesis. He said something like 'The market is pricing in perfection for AI, and that never happens.' That's a classic value investor warning. Lucas: Yeah, and it's worth unpacking what 'perfection' means. ai related capital expenditure is expected to exceed $200 billion this year across the big tech companies. But the revenue payoff is uncertain — we're still in the 'build it and they will come' phase. Moody's actually put out a note Friday saying that unprecedented AI spending threatens the credit quality of Amazon, Meta, and Alphabet. Luna: So you have both a skeptic like Eisman selling and a credit rating agency flagging risk. That's a double signal. Lucas: It is. And when you combine that with the price action this week — growth stocks are clearly underperforming — it feels like some of the froth is coming off. But the bull market overall is still intact. The S&P 500 is less than 2 percent from its all-time high. Luna: That's the tricky part. Are we seeing a healthy rotation, or the beginning of a broader correction? Eisman's move suggests he thinks the risk-reward in AI is now skewed to the downside. Lucas: And it's not just Eisman. We've seen other prominent investors trim their tech exposure. But the bull market has a way of making early caution look foolish — until it doesn't. The question is whether this time is different. Luna: If today's conversation is helping you think through your own portfolio decisions, that's exactly why we do this ad-free. Listener support is what keeps it going. Lucas: Yeah, if you value this kind of analysis without the noise, you can help at buy me a coffee dot com slash fexingo. It's a small gesture that makes a big difference. Luna: We appreciate every bit of support. Now back to Eisman — he specifically sold a stock that had been a big winner in the AI rally. We don't know exactly which one, but the pattern is clear. Lucas: Right. And it raises a broader point: even in a bull market, conviction can shift. Eisman's original big short was based on a detailed analysis of mortgage underwriting. This time, his skepticism is about the timeline of AI monetization. Luna: He's essentially saying the market is discounting cash flows that are years away, if they materialize at all. That's a classic growth-stock risk. Lucas: Exactly. And we have some concrete numbers to ground this. The Fed funds rate is still at 3.63 percent — flat since June. So the cost of capital isn't coming down to justify lofty valuations. Real GDP growth is 2.1 percent annualized, solid but not booming. So the macroeconomic tailwind is modest. Luna: And the market is pricing in zero rate cuts for the rest of the year? That makes the discount rate higher for future earnings. Lucas: Right. So when you have a stock trading at 30 times forward earnings with an uncertain payoff, a 3.6 percent risk-free rate starts to look attractive by comparison. That's what Eisman is seeing. Luna: But the bull market in mega-cap tech has been incredibly resilient. The S&P 500 is still up double digits year to date. Are investors just ignoring these warnings? Lucas: Some are, but I think the selloff in the NASDAQ this week suggests they're paying attention. It's not a panic — it's a recalibration. The question is whether it continues or reverses. Luna: Let's look at the ARKK ETF. Down 7.6 percent in five days. That's a meaningful move. Cathie Wood's fund is a proxy for high-conviction, long-duration growth. When that sells off, it tells you risk appetite is shrinking. Lucas: And the Russell 2000 is only down 1.4 percent. So the selling is concentrated in the most speculative, highest-multiple names. That's consistent with a rotation, not a crash. Luna: Which is exactly the kind of environment where a value investor like Eisman says 'I've had enough.' He's not calling for a bear market — he's taking profits. Lucas: And that's a useful lesson for retail investors. Taking some chips off the table when a narrative gets too hot is never a bad idea. You can always get back in. Luna: But timing is everything. If AI stocks rally another 20 percent from here, Eisman will look premature. He's okay with that — he'd rather miss upside than lose capital. Lucas: That's the value mindset. And it's worth remembering that Eisman's big short was early too — he was short subprime for years before it paid off. So he has a long time horizon. Luna: So what should a listener do if they own AI stocks and are feeling nervous? Eisman's move is a signal, not a directive. Lucas: I'd say look at your own position sizes. If a single AI stock is more than 10 percent of your portfolio, maybe trim. If you're comfortable with the volatility, hold. But don't ignore the changing sentiment. Luna: And pay attention to earnings calls. Companies like NVIDIA and Microsoft report soon. Their guidance will either validate the AI thesis or raise more questions. Lucas: Exactly. Ultimately, bull markets survive skepticism. But they often end when the last skeptic capitulates. Eisman is not capitulating — he's expressing doubt. That's healthy. Luna: So we're watching the NASDAQ, ARKK, and the VIX for signs of fear. So far it's just a pullback. But Eisman's sale adds a narrative layer that might accelerate the move. Lucas: Right. And that's what makes markets fascinating. One prominent voice can shift the conversation. We'll see if others follow. Luna: Thanks for joining us on Bull Market Conversations. We'll keep tracking the momentum and the caution.