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Stocks

6 lessons + 1 story, about a minute each. Scroll straight through, or jump to any lesson above.

11 min read

What Is a Stock, Really?

TL;DR

When Maya buys one share of Apple, she owns a literal sliver of the company, not just a number on a screen.

Mentioned:$AAPL

A share of stock is a literal slice of ownership in a company, not a lottery ticket, not a number that moves around for fun. When Maya buys one share of Apple, she owns a tiny fraction of every iPhone sold, every dollar of profit, every building the company owns, roughly one fifteen-billionth of it, since Apple has issued somewhere around 15 billion shares.

That ownership comes with real rights: a claim on future profits, and a vote on major company decisions, even if her one share barely moves the needle. It also comes with real risk: if Apple performs badly, her shares are worth less, and nobody guarantees her money back.

This is the whole reason stocks have historically outgrown cash and bonds: owners get paid for taking on a business's risk, not for lending it money at a fixed rate. Maya's 70% allocation to stocks is a bet on ownership over lending.

21 min read

How the Stock Market Actually Works

TL;DR

When Maya clicks 'buy' on her Apple share, she's not buying from Apple, she's buying from another investor who wants to sell.

Mentioned:$AAPL

How Maya's Trade Got Matched

Buyer
Wants to BuyAAPL
Willing to Pay Up To$190.00
Trade Price$189.50
Seller
Wants to SellAAPL
Willing to Accept From$189.00
Trade Price$189.50

When Maya buys a share of Apple, Apple the company doesn't see a cent of that money, and doesn't even know the trade happened. She's buying from another investor somewhere in the world who decided to sell at that moment, and the two of them never meet.

The stock market is really just a matching engine: millions of buyers stating the price they're willing to pay, millions of sellers stating the price they'll accept, and an exchange, like the NYSE or Nasdaq, constantly matching the closest offers. The "price" you see quoted is simply the last price two strangers agreed on.

That's why prices move constantly even when nothing about the company changed: more people wanting in than out pushes the price up, more wanting out than in pushes it down. It's a live auction, running every second the market is open, not a government-set value.

31 min read

How to Actually Buy a Stock

TL;DR

A market order buys instantly at whatever price is available. A limit order waits for the price Maya actually wants.

Market Order vs. Limit Order

Market Order
ExecutesImmediately
Price ControlNone
Best ForSpeed
Limit Order
ExecutesOnly at your price or better
Price ControlFull control
Best ForPrice Certainty

Opening a brokerage account is the easy part, a form, an ID, a bank transfer, usually done in minutes online. The part that actually matters is understanding the two basic ways to place a trade.

A market order tells the brokerage: buy this stock right now, whatever the current price is. It executes almost instantly, but Maya gives up control over the exact price, especially on a fast-moving stock.

A limit order tells the brokerage: only buy this stock at this price or lower. It might not execute at all if the price never drops that far, but Maya never overpays.

For most long-term investors buying well-known companies or ETFs, a simple market order is perfectly fine, the price difference between "now" and "in thirty seconds" rarely matters over a multi-decade hold. Limit orders matter more for volatile stocks or larger trades.

41 min read

Market Cap: Why Price Per Share Is a Trap

TL;DR

A $50 stock can be a bigger company than a $500 stock, share price alone tells you nothing about size.

Mentioned:$NVDA$BRK.A

Market Cap: Price × Shares Outstanding

$500B
Co. A: $50/share, 10B shares
$50B
Co. B: $500/share, 100M shares

Maya used to assume a higher share price meant a bigger, more valuable company. It doesn't. Market cap, price per share multiplied by total shares outstanding, is the actual size of a company. Price per share alone is close to meaningless.

Picture two companies: one trades at $50 a share with 10 billion shares outstanding, market cap $500 billion. Another trades at $500 a share with only 100 million shares outstanding, market cap $50 billion. The "expensive-looking" stock is actually one tenth the size.

This isn't hypothetical. NVDA and BRK.A trade at wildly different share prices for reasons that have nothing to do with which company is bigger, mostly just how many shares each one has chosen to issue or split over the years.

Before Maya compares two stocks, she checks market cap first. Share price by itself is just packaging.

51 min read

Dividends: Getting Paid to Own

TL;DR

Dividends aren't a bonus, they're often close to half of a stock's total long-term return.

Mentioned:$KO$JNJ

Hypothetical $10,000, 20 Years: Price Growth vs. Total Return

$24,000
Price Growth Only
$38,000
With Dividends Reinvested

Some companies share their profits directly with shareholders instead of only reinvesting them: a cash payment, usually every quarter, just for holding the stock. This is a dividend, and companies like Coca-Cola have paid and raised theirs every single year for over six decades, through recessions, wars, and everything else.

Dividends matter more than most new investors realize. Over long stretches, a big share of the stock market's total return hasn't come from the share price going up, it's come from dividends, especially when reinvested to buy more shares, which then pay their own dividends.

This is exactly the mechanism behind Maya's earlier hero, the janitor who quietly built an $8 million portfolio: boring, dividend-paying companies, held for decades, dividends reinvested instead of spent.

Maya doesn't need to chase growth stories. Steady, dividend-paying ownership, held patiently, has quietly built more fortunes than most people realize.

61 min read

Bull vs. Bear Markets

TL;DR

A bull market means prices are rising and confidence is high. A bear market means the opposite, and historically, bulls last far longer.

Mentioned:$SPY

Historical Averages: Bull vs. Bear

Bull Market
Avg. Duration~5 years
Avg. Gain~150%+
TrendRising
Bear Market
Avg. Duration~1 year
Avg. Decline~-30%
TrendFalling

A bull market is a sustained period of rising prices and rising confidence, generally defined as a 20% gain off a low point. A bear market is the mirror image: a sustained drop, generally 20% down from a high, usually accompanied by fear and pessimism.

Historically, bulls have lasted far longer than bears. The average bull market has run for roughly five years and delivered well over 100% in gains. The average bear market has lasted around a year and given back roughly 30%. Markets spend most of their time going up, punctuated by shorter, sharper drops.

This matters for how Maya should react to a bad month. A single red quarter doesn't mean the bull is over, and a real bear market, however painful, has historically ended and been followed by a recovery and a new high.

SPY, tracking the S&P 500, has lived through both, repeatedly, and kept climbing over the long run.

7Phase 2 Story

Enron: When Owning One Stock Cost Thousands Their Retirement

TL;DR

Thousands of Enron employees had most of their retirement savings in Enron stock. When the company collapsed, so did their retirement.

Diversified vs. Concentrated

Diversified
Single-Stock Exposure~0-5%
Company Collapse ImpactMinor
OutcomePortfolio Intact
Concentrated
Single-Stock ExposureMajority of 401(k)
Company Collapse ImpactCatastrophic
OutcomeRetirement Wiped Out

In 2001, Enron was one of America's most admired companies, a Wall Street darling, and one of the largest employers to offer stock as part of its retirement plan. Thousands of employees held a large share of their 401(k) savings in Enron stock, some by choice, some because the company match arrived in stock rather than cash.

Then the fraud came out. Enron had been hiding billions in debt through accounting tricks, and once that became public, the stock collapsed from over $90 a share to essentially worthless within months. Employees didn't just lose their jobs, many lost the bulk of their retirement savings at the same time, because it had never been separated from the company itself.

This is the risk Maya's spreading across many stocks specifically protects against. Owning one company, even a great one, ties your future to a single roll of the dice. A diversified portfolio means no single company's failure can take your retirement down with it.

Next up

Phase 3: ETFs & Index Funds

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