Stephen Wu

Founder @ Carthage Capital | Institutional Options Fund | Ex-Amazon & Microsoft

[Stephen Wu @Swuuuuu]

Dario Amodei predicted at Davos last year AI would surpass humans at almost everything within 2-3 years. Anthropic is now filing for what could be the largest tech IPO ever, near $2T. Mission right and price right are two separate questions. Keeping them apart is the job.

[Stephen Wu @Swuuuuu]

Source: https://t.co/XEfCqPXYqO

[Stephen Wu @Swuuuuu]

X has been debating whether AI is a bubble: record CAPE, mega-cap concentration, record debt issuance. Today's tape disagreed. Nasdaq +1.11%, SanDisk +7.4%, Micron +4.7%, Amazon +5%. Consensus doesn't move prices. Earnings do, starting this week.

[Stephen Wu @Swuuuuu]

Nvidia's moat was never the chip, it was CUDA: the cost of porting code off it. Amazon's new TorchNeuron lets PyTorch run on Trainium with a one-line change, still beta, still skipping thousands of tests. Moats erode at the edges before they break at the center. $NVDA

[Stephen Wu @Swuuuuu]

Western Digital bounced 4.8% today to about $353. It is still down 37% from the $558 high it hit in late July, before the AI-storage trade rolled into a broader semiconductor selloff. A one-day green print does not erase a five-month drawdown. $WDC

[Stephen Wu @Swuuuuu]

That's why 'it worked great historically' is the weakest sentence in finance. The question that matters: would this rule have survived the periods it wasn't designed to explain?

[Stephen Wu @Swuuuuu]

At Amazon we killed more models than we shipped. Not because they tested poorly, because they tested too well. A model that nails every example it's already seen has a name: overfit, not smart.

[Stephen Wu @Swuuuuu]

A pattern that explains the last three years perfectly isn't an edge. It's a rearview mirror with extra steps. The real test is whether it holds once the backdrop flips: rates, correlations, which trade is crowded.

[Stephen Wu @Swuuuuu]

@ChenY390353 Good frame. The 2000 telecom buildout had the same structure: vendors financing their own customers' purchases, so revenue and demand got hard to tell apart. The real test is what happens to utilization once the financing stops.

[Stephen Wu @Swuuuuu]

Nvidia lost $200B in market value Friday, down 4%, after OpenAI disclosed a revenue run rate of $50B, $18B below the $68B figure that had been circulating. The gap between assumed AI demand and the actual number is what moved the stock, not the number itself.

[Stephen Wu @Swuuuuu]

Same session, opposite verdicts. $AAPL rose on an iPhone Duo preorder surge, trading volume 31% above its 3-month average. ServiceNow fell 5%, Salesforce 4%, on AI financing worries. Atoms the AI-debt story can't touch vs bits priced on monetizing it.

[Stephen Wu @Swuuuuu]

Source: https://t.co/Sjoqu9ozB3

[Stephen Wu @Swuuuuu]

Today's chip selloff is framed as AI-debt jitters. Underneath sits a bigger number: the S&P's CAPE ratio near 41, the second-highest reading in 150 years, beaten only by the run to 44 before the 2000 crash. Valuation extremes measure risk. They don't call the top.

[Stephen Wu @Swuuuuu]

Twilio, Snowflake, Okta, Palo Alto Networks, MongoDB, Zscaler and CrowdStrike are all down 7-11% today, 13-19% over five sessions. That is not seven separate stories. It is one multiple compressing across a factor. $TWLO leads, down 11% at 3.8x its average day.

[Stephen Wu @Swuuuuu]

Dell fell 11.3% Thursday, 3x its average daily move, after a Barclays downgrade. The downgrade doesn't dispute AI server demand. It argues the revenue growth priced as adoption is mostly pass-through from rising component costs, not more enterprises running AI. $DELL

[Stephen Wu @Swuuuuu]

Source: https://t.co/xvccxZroYH

[Stephen Wu @Swuuuuu]

$WFC trades at 1.75x tangible book after shedding its Fed asset cap. Bank of America, despite being bigger, sits near book value: $500B+ of its bonds still yield under 2% while the 10-year sits near 5%. Same Q3 season, opposite verdicts on balance sheet quality.

[Stephen Wu @Swuuuuu]

Oracle fell 8.83% Wednesday on one hotter-than-expected CPI print, the sharpest hit among AI infrastructure names. Its debt is heading toward $167B to fund the buildout. A growth story priced off a rate environment stops working the moment that environment moves.

[Stephen Wu @Swuuuuu]

Oracle fell 8.8% Wednesday, 3x its average daily move, the day a hot CPI print pushed Treasury yields higher. The AI capex debate has been about demand. Oracle's buildout runs on debt heading toward $167B, and that bill reprices every time rates move. $ORCL