Prices and history from Twelve Data, fundamentals from SEC EDGAR (US filers only — see each case for what's genuinely available for its era). News from Google News. Every narrative is AI-generated, grounded strictly in the real figures and sources shown next to it — the current-themes section is explicitly instructed never to render a verdict on whether something is or isn't a bubble, since nobody can know that yet. Anything labeled “Adam's take” is his own opinion. Not investment advice.

Hype vs Fundamentals

Narrative vs. numbers

When does a story get ahead of the numbers behind it — and what happens next? Closed historical cases with known outcomes, then current themes where the outcome isn't known yet.

Historical Cases

Closed episodes — price history, fundamentals where available, and hindsight.

The Dot-Com Bubble 1998–2002

Internet-adjacent stocks (and the networking hardware behind them) repriced as if the internet's total future profits had already arrived — years before most of the underlying businesses were consistently profitable.

Indexed to 100 at the start of the window shown — lines compare relative movement, not dollar price (see the real prices in the stats below).

CSCO The bellwether — "picks and shovels" for the internet build-out

$77.31

Era peak

2000-03-01

+636%

Run-up to peak

$120.88

Latest price

2026-08-01

+56%

Vs. era peak today

QQQ Nasdaq-100 — the broad index the whole era rode up and down

$109.50

Era peak

2000-03-01

+109%

Run-up to peak

$714.65

Latest price

2026-08-01

+553%

Vs. era peak today

No free structured fundamentals exist for this ticker's era (SEC XBRL data generally only goes back to ~2009–2012).

What happened, in hindsight — AI-generated, grounded in the real figures above and the sources below

The dot-com bubble was powered by genuine technological transformation — the commercialization of the internet genuinely was a watershed moment — but investor enthusiasm raced so far ahead of earnings and cash flows that valuations became untethered from anything the underlying businesses could plausibly deliver. Cisco became the archetypal case: it ran up more than six hundred percent to its peak, and the Yahoo Finance retrospective frames its subsequent story as a cautionary lesson precisely because it took the company roughly twenty-five years to recover that peak price, meaning an investor who bought at the top endured a generational wait just to break even. The QQQ, representing the broader Nasdaq-100, tells a more forgiving macro story — the index as a whole has now far surpassed its dot-com peak — but that aggregate recovery obscures the graveyard of individual companies that never came back at all. The Seeking Alpha piece draws an explicit parallel between Cisco in 2000 and Nvidia today, suggesting the market has not forgotten how a company can be both genuinely important to a technological revolution and simultaneously a ruinous investment at the wrong price. What the retrospective coverage collectively emphasizes is that the bubble's resolution was not a verdict on whether the internet mattered — it did — but on whether prices had priced in decades of growth that investors then had to sit through at zero return waiting to earn. The dot-com era's lasting lesson is that transformative technology and profitable investing are separable questions, and confusing one for the other is a mistake investors appear tempted to repeat with each new wave of excitement.

The Meme Stock Mania 2020–2022

Coordinated retail buying (largely organized on Reddit's r/WallStreetBets) squeezed heavily shorted, structurally challenged companies to prices that had little to do with their actual store counts, debt loads, or earnings.

Indexed to 100 at the start of the window shown — lines compare relative movement, not dollar price (see the real prices in the stats below).

GME GameStop — a struggling physical game retailer, the epicenter

$81.25

Era peak

2021-01-01

+7388%

Run-up to peak

$19.23

Latest price

2026-08-01

-76%

Vs. era peak today

AMC AMC Entertainment — a heavily indebted cinema chain, the co-star

$566.80

Era peak

2021-06-01

+1221%

Run-up to peak

$2.57

Latest price

2026-08-01

-100%

Vs. era peak today

What happened, in hindsight — AI-generated, grounded in the real figures above and the sources below

The meme stock mania of 2021 was driven less by underlying business quality than by a combustible mix of retail investor frustration with Wall Street, social media coordination on platforms like Reddit, and the pandemic-era proliferation of commission-free trading apps that made speculative punts feel like a game — what the CNBC retrospective calls the "gamblifying" of investing. GameStop, a struggling brick-and-mortar video game retailer, and AMC, a cinema chain battered by COVID, became unlikely symbols of a rebellion against institutional short-sellers, with prices running to levels that bore no relationship to their actual filed financials. When those fundamentals eventually reasserted themselves, the collapse was severe: GameStop never reclaimed its peak and sits roughly three-quarters below it, while AMC's price has effectively gone to zero relative to its mania high. AMC's management tried to buy time through the controversial APE share issuance — a dilutive maneuver that Fordham Law characterized as clever but deeply contested — illustrating how the companies themselves scrambled to exploit inflated valuations while they lasted. Attempts to reignite the frenzy in 2024 failed, with Fortune reporting that hopes for a 2021-style revival were decisively shattered, and a CNN piece from late 2022 had already suggested the original mania was spent. The episode's lasting legacy, per CNBC's five-year retrospective, is that retail investors proved they could move markets — but the individuals who bought near the peaks of those extraordinary runs were left holding assets worth a fraction of what they paid.

The Cannabis Stock Boom 2017–2019

Legalization momentum in Canada and parts of the US drove cannabis growers to valuations pricing in years of rapid, profitable expansion — before most had scaled production, distribution, or a route to actual profit.

Indexed to 100 at the start of the window shown — lines compare relative movement, not dollar price (see the real prices in the stats below).

TLRY Tilray — the IPO that became the boom's most extreme single case

$1k

Era peak

2018-09-01

+550%

Run-up to peak

$4.44

Latest price

2026-08-01

-100%

Vs. era peak today

CGC Canopy Growth — the largest cannabis company by market cap at the peak

$505.20

Era peak

2019-04-01

+724%

Run-up to peak

$0.93

Latest price

2026-08-01

-100%

Vs. era peak today

What happened, in hindsight — AI-generated, grounded in the real figures above and the sources below

The cannabis boom was driven by a rare combination of genuine policy change — Canada's move toward federal legalization — and the speculative fever that tends to accompany entirely new legal markets with no established valuation template. Investors bid Canopy Growth and Tilray to extraordinary heights, with CGC surging over 700% to its peak and Tilray not far behind, as markets tried to price in a future industry that existed more in imagination than in audited cash flows. At its peak, Tilray briefly surpassed Canopy Growth to become the world's most valuable cannabis company, a moment that itself attracted short sellers who were skeptical the underlying fundamentals could ever justify those prices — and who, as Barron's noted at the time, kept their bets on despite the squeeze. The resolution was brutal and total: both stocks ultimately fell all the way back to effectively nothing relative to their peaks, a complete destruction of the era's gains. The retrospective coverage points to policy risk as a recurring culprit — legalization did not produce the frictionless, rapidly scaling consumer market bulls had anticipated, and the Canadian legal market cycled through its own boom and bust as oversupply, high taxes, and persistent black market competition choked profitability. This episode is a clean illustration of what happens when a structurally plausible story outruns the real numbers by years: the story eventually has to answer to the fundamentals, and in cannabis, the fundamentals never caught up.

Current Watch

Open questions — real current data, no verdict rendered.

AI & Semiconductors

Capital spending on AI infrastructure has been real and large — the question this section tracks is whether prices have moved further or faster than the revenue and earnings actually delivered so far.

NVDA Nvidia — the single biggest beneficiary of AI infrastructure spend

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Price, the past month

+125.9%

Revenue growth (FY2026)

$218.99

Price

184.0x

P/E

SMH VanEck Semiconductor ETF — a broader basket, not just one winner

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Price, the past month

Unavailable

Revenue growth (latest FY)

$571.48

Price

Unavailable

P/E

Price return is over the period selected above; revenue growth is the latest full fiscal year — different time bases, both real, not directly comparable.

The evidence, both sides — AI-generated, grounded in the real figures above and the sources below (no verdict rendered)

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Real coverage from the past month

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Quantum Computing

Quantum computing is a genuinely early-stage technology — commercially useful, fault-tolerant quantum computers don't exist yet. This section tracks how far the stocks have run relative to the (currently small and early) real revenue.

IONQ IonQ — a pure-play, still pre-scale quantum hardware company

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Price, the past month

+98.0%

Revenue growth (FY2025)

$39.72

Price

Unavailable

P/E

RGTI Rigetti Computing — another early-stage quantum hardware bet

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Price, the past month

-10.1%

Revenue growth (FY2025)

$16.53

Price

Unavailable

P/E

Price return is over the period selected above; revenue growth is the latest full fiscal year — different time bases, both real, not directly comparable.

The evidence, both sides — AI-generated, grounded in the real figures above and the sources below (no verdict rendered)

Reading recent coverage…

Real coverage from the past month

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