5 Stock Market Terms Nobody Explained to Me, Until I Had to Teach Myself
Zachary Greene overcame a childhood in foster care and years in prison to become a self-taught investor and author. He is the founder of All Handz On LLC and wrote "Becoming of a Wolf," a jargon-free guide to investing for beginners.
The first time I opened a book about the stock market, I understood almost none of it. I was sitting in a prison library, and the pages were packed with words that sounded like a foreign language: equities, capitalization, yield. I had always been curious about the New York Stock Exchange, but curiosity doesn't make dense material easier to read.
I could have put the book down. Instead, I kept reading, one term at a time, until the ideas finally clicked. What surprised me most was that none of it was actually complicated. It was just explained in a way that assumed I already knew something I didn't.
That's why I'm writing this. If you've ever felt locked out of investing because of the jargon, here are five terms I wish someone had explained to me in plain language from the start.
1. Common stock: A small piece of a real business
When you buy a share of common stock, you own a small piece of a company. Not a number on a screen. A piece of an actual business with employees, products, and customers.
Think of it like this: If a neighborhood pizza shop were split into 1,000 equal slices of ownership and you bought one, you'd own 1/1,000th of that shop. If the shop does well, your slice becomes more valuable. If it struggles, your slice can lose value.
That's the whole idea. Everything else in investing builds on it.
2. Dividend: Your share of the profits
Some companies share part of their profits with their shareholders. That payment is called a dividend. Not every company pays one, and no dividend is guaranteed because a company can raise, cut, or stop it.
Think of it like this: If you own a slice of the pizza shop and the owner decides to hand out part of the month's profit to everyone who owns a slice, that payout is a dividend.
3. Market capitalization: How big a company really is
A company's "market cap" is its share price multiplied by the total number of shares. It tells you how the market values the whole company, not just one share.
This matters because a $10 stock isn't automatically "cheaper" than a $500 stock. A $10 stock from a company with billions of shares can be far larger than a $500 stock from a small company with few shares. Price alone tells you very little. Market cap gives you the bigger picture.
4. Bull and bear markets: The mood of the market
A bull market is a long stretch where prices are generally rising and confidence is high. A bear market is a stretch where prices fall significantly, usually 20% or more from a recent high, and fear takes over.
You don't need to predict which one is coming. What matters is understanding that both are normal. Markets move in cycles, and learning to read economic trends helps you stay calm instead of reacting to every headline.
5. Diversification: Not putting everything in one basket
Diversification means spreading your money across different companies and industries so that one bad result doesn't sink everything.
Think of it like this: If your entire income came from one customer and that customer left, you'd be in trouble. If your income came from ten customers, losing one would hurt, but you'd recover. Investing works the same way.
The real skill: Teaching yourself
These five terms won't make you an expert, and they aren't a plan for what to buy. But they're the foundation. Once the vocabulary stops feeling intimidating, everything else becomes easier to learn.
The biggest lesson from my own journey wasn't a single concept. It was the discovery that I could teach myself, with no background, no connections, and no one to hold my hand.
Self-directed learning is a skill, and it can be built by anyone willing to start with the basics and stay patient.
That belief is the reason I wrote Becoming Of A Wolf: Wall St. Edition. I wanted the guide I never had: one that covers common stocks, economic trends, and how to keep learning on your own, without the jargon getting in the way.
Your next step
Pick one term from this list and explain it out loud to someone else this week. If you can teach it, you understand it.
Ready to go beyond these five terms? Get Becoming Of A Wolf: Wall St. Edition. Available at Amazon and Barnes & Noble.
This article is for educational purposes only and is not financial advice. Investing involves risk, including the loss of principal. Consider speaking with a licensed financial professional before making investment decisions.
Read more from Zachary Greene
Zachary Greene, Owner of a Pennsylvania-Based Publishing Company
Zachary Greene grew up in Philadelphia's foster care system before being incarcerated as an adult, where he lost close family members and watched life continue without him. Determined to rebuild his life, he turned to the prison library and taught himself the fundamentals of the stock market, despite the dense, technical material. That journey inspired him to write "Becoming of a Wolf," a beginner-friendly guide that breaks down investing concepts like common stocks and economic trends using plain language and relatable examples. Today, Zack is the founder of All Handz On LLC, a publishing company focused on financial literacy, with several titles now available on Amazon. His story is one of turning hardship into a mission to help others gain confidence and control over their financial futures.
