Latest / Stock Picking with Fexingo: Individual Equities, Research, and Building a Concentrated Portfolio / How Operating Leverage Drives Earnings Surprises
Transcript
- Lucas: So Apple surged nearly nine percent in the past five days — up to three hundred and eight dollars. The headlines will call it a tech rebound, but I think the real story is operating leverage. Luna: Operating leverage — that's the idea that a company's fixed costs amplify profit growth when revenue ticks up, right? Lucas: Exactly. And Apple is a textbook case. The company spends billions on R&D, manufacturing plants, and its supply chain — those costs don't change much whether they sell two hundred forty million iPhones or two hundred sixty million. Luna: So when revenue does accelerate, most of that incremental dollar drops straight to the bottom line. Lucas: Right. In Apple's most recent quarter, revenue grew about five percent year-over-year, but earnings per share grew almost double that. That's operating leverage in action. Luna: But isn't that just a function of high margins? Apple already has some of the widest gross margins in tech. Lucas: That's part of it, but operating leverage is about the mix of fixed versus variable costs. A software company like Microsoft has very high gross margins, but a lot of its costs — like cloud infrastructure — are also variable. Apple's cost structure is more fixed: factories, tooling, long-term supplier contracts. Luna: So when iPhone demand picks up, Apple doesn't need to build a new factory overnight. They just run existing lines faster. The incremental profit is huge. Lucas: And that's what the market started pricing in this week. Apple's stock was down earlier in the year on concerns about unit growth. But the company reported a slight uptick in services revenue and a better margin mix, and suddenly the earnings power looked much bigger. Luna: It's like a hidden multiplier. And I bet most retail investors aren't thinking about it. Lucas: That's exactly why it's a stock picker's edge. If you can identify companies where revenue is about to inflect and costs are largely fixed, you can get ahead of the earnings surprise. Luna: So what are the signs? How do you spot operating leverage in a 10-K or an earnings call? Lucas: First, look at the ratio of fixed to variable costs. That's not always disclosed, but you can infer it from gross margin stability and operating expense trends. If gross margins are high and stable, and operating expenses grow slower than revenue, you've got leverage. Luna: And you want to see that revenue growth is real — not just one-time items or accounting changes. Lucas: Exactly. I also look at the 'operating leverage ratio' — change in operating income divided by change in revenue. If that ratio is greater than one, every additional dollar of revenue is generating more than a dollar of operating profit. Apple's ratio has been around 1.5 lately. Luna: So for every billion in extra revenue, they get one point five billion in extra operating profit. That's powerful. Lucas: And it's not just Apple. Consider a company like Chipotle. Their restaurants have high fixed costs — rent, labor, equipment. When same-store sales rise even modestly, margins expand dramatically. That's why investors pay a premium for those stocks. Luna: But there's a flip side, right? Operating leverage cuts both ways. If revenue falls, profits drop faster. Lucas: That's the risk. High operating leverage means high earnings volatility. In a downturn, companies with high fixed costs can see profits evaporate. Think about airlines — massive fixed costs in planes and gates, and when travel demand drops, they bleed cash. Luna: So it's a double-edged sword. You want to own it on the way up, but you need to be careful on the way down. Lucas: Exactly. And that's why it fits so well in a concentrated portfolio. If you're only holding ten or fifteen stocks, you can afford to take that risk because you've done the work to know the revenue trajectory. You're not diversified enough to absorb a blow-up from a leveraged company you didn't understand. Luna: It's a high-conviction play. You need to be right about the revenue story. Lucas: And that's where research comes in. You can't just look at a ratio and buy. You need to understand the industry, the competitive dynamics, and the company's specific cost structure. For Apple, it's the services mix and the upgrade cycle. For a chipmaker like NVIDIA, it's the shift from gaming to data center. Luna: Speaking of which, NVIDIA is up only one point two percent this week — a lot less than Apple. Is that because their operating leverage is already priced in? Lucas: I think that's part of it. NVIDIA already has very high gross margins and the market has been expecting big earnings beats. The surprise is harder to come by. Apple, on the other hand, had more skepticism baked in, so when the leverage showed up, the stock re-rated quickly. Luna: So the opportunity is in companies where the market hasn't fully priced in the operating leverage. Lucas: Exactly. And that's what active stock picking is all about — finding the disconnect between current expectations and future reality. Luna: If our money conversations have helped you think about a decision differently or see a stock in a new light, that's exactly the kind of value we aim for. Listener support is what keeps this show independent and ad-free. If you'd like to help us keep going, you can find us at buy me a coffee dot com slash fexingo. Lucas: Yeah, it's a small way to ensure we can keep digging into these angles without outside pressure. And every bit genuinely helps. So back to operating leverage — one sector where I think it's underappreciated right now is industrials. Luna: Industrials? I think of those as more cyclical, with lots of variable costs tied to commodity prices. Lucas: That's true for many, but look at a company like Caterpillar. They have huge fixed costs in manufacturing and R&D. When infrastructure spending picks up, revenue ticks higher, and profits can surge. Michael Burry shorted Caterpillar recently, but that's a bet on a cycle peak. If you believe the cycle has longer to run, the operating leverage is on your side. Luna: So you're playing the opposite of Burry's trade. Lucas: Not necessarily. I'm just saying that if you're going to take a position, you need to understand the leverage. Burry's thesis might be right about the cycle, but he's also betting that earnings won't hold up. If he's wrong, the short squeeze could be vicious because of the same leverage. Luna: That's a really important point. Operating leverage amplifies both gains and losses. So it's a risk management tool as much as a return driver. Lucas: Exactly. And in a concentrated portfolio, you have to be aware of that. You can't just buy high fixed-cost companies and hope for the best. You have to stress-test the revenue assumptions. What happens if growth slows to two percent? Or if it turns negative? Luna: So you'd want to pair a high operating leverage stock with something more defensive, like a utility or a consumer staple, to balance the portfolio. Lucas: That's one approach. Another is to only buy high leverage names when you have strong conviction in the revenue catalyst. For Apple right now, that catalyst might be the AI upgrade cycle. For an industrial, it could be reshoring or energy transition spending. Luna: So it comes down to having a thesis, not just a ratio. Lucas: Always. The numbers tell you where to look, but the story tells you whether to act. Operating leverage is a powerful lens, but it's not a shortcut. Luna: Alright, so next time we see a big move in a stock, we'll check the operating leverage first before chasing it. Lucas: Exactly. That's the kind of edge that separates a gambler from an investor.