AAPL Slips After Apple Event: Can Ternus's Debut Kick Off a New AI Cycle?

Apple's fall event sparked plenty of discussion, but the market reaction was muted.

On Sept. 9, Apple unveiled its first foldable phone, the iPhone Duo, along with the iPhone 18 Pro, iPhone 18 Pro Max, Apple Watch Series 12, and AirPods 5. The event wasn't conservative—the foldable iPhone marks Apple's first entry into a new hardware category in years.

But the stock's reaction wasn't as enthusiastic as the new products. According to BiyaPay data, AAPL closed at $315.34, down 0.28%.

That's interesting.

If you only look at the event, Apple finally launched a foldable, filling a product form that's been discussed for years. If you look at the stock price, the market clearly isn't in a hurry to assign a higher valuation. The reason isn't complicated. Apple's challenge now isn't whether it has new products, but whether those products can kick off a new upgrade cycle, whether AI can truly integrate into the user experience, and whether Ternus can prove that Apple's next phase isn't just a continuation of the Cook era's supply chain and services revenue, but a return to a product innovation cycle.

When I look at event-driven markets like this, I don't just watch AAPL. In the BiyaPay App, you can track AAPL, other U.S. tech stocks, Hong Kong-listed consumer electronics supply chain names, and assets like BTC and ETH all at once. BiyaPay, as a global one-stop asset allocation platform, covers digital assets, U.S. stocks, Hong Kong stocks, and fiat currency exchange. In an information-dense market around events like this, watching price reactions across different markets makes it easier to judge whether capital is trading new product expectations, the AI narrative, or overall risk appetite.

Ternus's Debut: The Market Isn't Looking for Charisma

The event drew attention not because of the iPhone, but because of who was on stage.

Ternus takes over from Cook, and Apple enters a new narrative phase. The Cook era was defined by supply chain, margins, inventory management, services ecosystem, and shareholder returns. Cook's operational ability is the core reason Apple has maintained high profitability. But in recent years, the market's biggest concern about Apple has been clear: slowing hardware innovation, AI deployment lagging behind the ecosystems of Microsoft, Google, Meta, and Nvidia, and iPhone growth increasingly dependent on existing users upgrading.

So when Ternus hosted his first event, the market wasn't watching whether his presentation was smooth, but whether Apple is really changing its approach.

From his background, he comes from hardware engineering and has long been involved in key product lines like Mac, iPad, and Apple Silicon. That naturally raises expectations that he'll bring Apple back to a product-driven narrative. The foldable iPhone Duo appearing at his debut carries symbolic weight. It's not a routine upgrade; it's more like Apple declaring that the iPhone still has new forms, and that Apple is willing to enter a category it hasn't previously defined itself.

But capital markets won't pay for symbolism alone. Whether the foldable sells, whether the price holds, how supply chain yields are, and whether users are willing to pay a premium for a new form—those are the real questions that will determine AAPL's trajectory.

iPhone Duo: Highlights and a High-Price Probe

According to official Apple information, the iPhone Duo is Apple's first foldable iPhone, with a 7.6-inch inner display and a 5.4-inch outer display, powered by the A20 Pro chip, supporting multitasking, starting at $1,999, with pre-orders opening on Oct. 16 and official sales starting on Oct. 23.

The significance of this product isn't just that Apple finally made a foldable, but that it integrates some iPhone and iPad use cases into a single device. Foldables have long been an Android story, but the problems are obvious: bulk, crease, app adaptation, durability, and price all limit it from moving from niche to mainstream. Apple's entry now has advantages in hardware-software integration, ecosystem adaptation, and a high-end user base; the pressure is equally clear, because the $1,999 starting price is far higher than typical flagship phones.

This looks more like a probe of the high-end market.

If the iPhone Duo can create demand among core users, it would bring two changes. First, Apple could push up the iPhone's average selling price, easing the slowdown in smartphone shipment growth. Second, the foldable form could provide a new entry point for multitasking, gaming, video, productivity, and AI assistants, strengthening Apple's ecosystem stickiness.

But if sales rely only on early adopters and can't form a sustained upgrade wave, the contribution to Apple's profits will be limited. The market's failure to push the stock up after the event reflects exactly that judgment. The new products have novelty, but haven't yet proven they can start a new cycle.

AI Finally Takes Center Stage, but Not Enough to Reassure the Market

Another keyword at this event was AI.

Apple strengthened Apple Intelligence and Siri AI in the iPhone Duo, iPhone 18 Pro series, and iOS 27. According to Apple's official introduction, Siri AI will launch in beta with iOS 27, emphasizing personal context understanding, on-screen awareness, cross-app operation, and privacy with on-device processing.

This path differs from Microsoft, Google, and Meta. Apple isn't building a large model platform first, nor selling AI as a cloud service to enterprises, but trying to embed AI back into its own device ecosystem. The focus isn't on having the biggest model, but on being closest to personal use cases. Strategically, this fits Apple's DNA. iPhone, Apple Watch, AirPods, Mac, and iCloud form a high-frequency device network. If Apple can truly bring AI into these devices, it would theoretically be closer to daily needs than a simple chatbot.

The problem is, the market is no longer willing to just hear AI stories.

Over the past year, the AI trade has shifted from "who has a model" to "who can monetize," from "who dares to invest" to "who can generate returns." Microsoft has cloud revenue and Copilot, Google has search, cloud, and Gemini, Meta has ad efficiency gains, Nvidia has chip orders and data center revenue. Apple's AI path is more gradual, more dependent on future device upgrades and services ecosystem penetration. It's not without value, but the return cycle is longer.

That's the core reason AAPL's post-event performance was flat. The market acknowledges Apple's advantage in on-device AI, but wants clearer metrics: whether iPhone upgrade rates rise, whether services revenue accelerates, whether Siri AI truly changes user habits, and whether high-priced hardware can steadily lift profits.

Why Didn't AAPL Rise? Not Too Few New Products, but Expectations Too High

The slight decline after the event doesn't mean the market rejected the new products. More accurately, a lot of information was already priced in.

Foldable, iPhone 18 Pro price increases, AI Siri, new Apple Watch and AirPods—these directions all had high expectations beforehand. When the event actually landed, capital reassessed two questions: was the surprise big enough, and did risks shrink. Apple delivered a new form and a new AI entry point, but didn't immediately address the market's biggest worry: earnings flexibility.

Currently, AAPL's valuation isn't cheap. Public data shows Apple's market cap still exceeds $4 trillion, with a high P/E ratio. At this level, the market demands more from Apple than from an average company. For an average company with an innovative product, the stock might rise first; for a company of Apple's scale, investors ask whether this product can support years of revenue growth, expand the ecosystem profit pool, and enhance long-term competitiveness in the AI era.

So Apple doesn't lack attention; it lacks new growth answers that can be verified by financial reports.

Supply Chain and Hong Kong Stocks Will Also Reprice

Apple's new product launch affects not just AAPL itself, but also transmits to the supply chain and Hong Kong-listed consumer electronics.

If the iPhone Duo ramps up volume, the most directly affected segments are foldable panels, hinges, titanium structural parts, cooling, camera modules, batteries, and advanced packaging. The iPhone 18 Pro series continues to upgrade cameras, chips, and cooling, which will also refocus the market on Apple supply chain companies with stronger pricing power and higher technical barriers. Many consumer electronics companies in Hong Kong and A-shares often fluctuate short-term with Apple new product expectations.

But this chain can't be judged by event hype alone. The core of Apple's supply chain isn't whether there's a theme, but order volume, yield, per-unit value, and margins. If the foldable is just a small-batch high-end product, the pull on the supply chain will be structural; if it enters a broader product line next year, the industry chain's elasticity will become more apparent.

For the market, Apple's event is more like a starting point. The real test lies in pre-order data, sales performance, supply chain scheduling, and the next earnings report.

The Real Answers Apple Must Give Next

After this event, Apple needs to answer three questions.

First, can the foldable kick off a high-end upgrade cycle? The $1,999 starting price means the iPhone Duo won't be a mass-market device; it's more like a product probing the ultra-high-end market. If initial demand is strong, Apple can gain a higher average selling price and stronger brand premium; if demand is mediocre, it's more likely just an image product.

Second, can AI become usage frequency, not just event vocabulary? Apple's AI advantage lies in on-device processing and privacy, but what the market ultimately looks at isn't feature names, but whether users actually use it daily, whether developers are willing to adapt, and whether services revenue benefits.

Third, can Ternus build new investor trust? In the Cook era, the market believed Apple could make money; in the Ternus era, the market also needs to believe Apple can redefine products. This transition won't be completed in one event, but this event at least provides a window for observation.

So Apple's event wasn't without highlights. The iPhone Duo is a rare new form from Apple in years, the iPhone 18 Pro series continues to strengthen the high-end route, and Siri AI finally puts AI in a more central position. But AAPL's lack of a clear rise also shows the market has entered a more rational phase.

For Apple, the event creates expectations, and the stock price tests them. Ternus's debut is over, and the real exam has just begun. Pre-order data, sales performance, AI feature feedback, and the next quarter's earnings will determine whether Apple starts a new cycle, or just tells a familiar story more beautifully.