If you do not know the rules, do not play the market
Retail investors do not need to be faster than the market. They need to be harder to fool.
Most investment advice starts with the obvious.
Do your research. Use stop losses carefully. Keep your costs down. Do not bet the house.
That is all fine as far as it goes. But it misses the uncomfortable bit. Markets are not designed around the private investor. They are designed around institutions, professionals and platforms with better tools, better data and faster execution. That was true when The Street Smart Trader was first published, and it is still true now.
So the first rule is not really about stock picking at all.
It is about honesty.
If you are a self directed investor, you are not walking onto a level playing field. You are stepping into a market where other participants may know more, move faster and understand the plumbing better than you do. Pretending otherwise is expensive.
That is why most private investors should stop obsessing about speed. Speed is the professional’s edge. Discipline is the private investor’s edge.
The old version of this chapter warned that information is not evenly shared, that chasing the obvious trade is dangerous, and that the long game usually beats trying to mimic dealers and day traders. That advice still stands.
If anything, it matters more now.
Modern markets are easier to access than ever, but easier to access does not mean easier to navigate. A dealing account can be opened in minutes. A leveraged product can be promoted in a slick video. A trading idea can travel from a meme to a messaging group to a real order book before most people have had time to ask whether it makes any sense.
That is where today’s risk has changed shape.
In 2010, the obvious warning signs were spam emails, bulletin board ramping and cold calling dressed up as City expertise. In 2026, the same instincts are still useful, but the delivery channels have evolved. The FCA has taken action against illegal finfluencers, warning that social media users, especially younger followers, are being exposed to unlawful promotions and unrealistic claims. In one 2024 FCA release, 62% of 18 to 29 year olds said they followed influencers, 74% of those said they trusted their advice, and 9 in 10 young followers said they had been encouraged to change their financial behaviour.
That should concern anyone who mistakes familiarity for credibility.
The same goes for leveraged trading. Contracts for difference remain complex, high risk products. The FCA warned in 2025 that some firms were trying to persuade retail clients to give up protections by claiming professional status, and said those protections stop nearly 400,000 people a year from risking more than their original stake.
That is a useful reality check.
When a product needs strong guardrails to stop large numbers of people losing more than they expected, the issue is not just investor education. The issue is product design, incentives and marketing.
Scams have evolved in the same way. They are now more polished, more targeted and often more patient. The FCA says scammers increasingly reach victims through social media, calls, texts and messaging services, and has warned repeatedly about cloned firms, fake FCA messages and fraudulent recovery schemes. In late 2025 it said around 800,000 people had reported losing money to investment or pension related scams in the previous 12 months to May 2024.
So what are the rules now?
- Know that access is not the same as advantage.
- Treat urgency as a warning sign.
- Be suspicious of anyone selling excitement, certainty or lifestyle.
- Do not confuse a smooth interface with a sound investment process.
- Never assume that because something looks regulated, familiar or widely shared, it is safe.
The best private investors are not the ones trying to beat the professionals at their own game.
They are the ones who refuse to play the wrong game in the first place.
Street Smart is a series drawn from first-hand experience of UK financial markets. Each post takes a moment from the City’s history and asks what it still tells us today.
This article is for informational purposes only and does not constitute financial advice. Investment values can go down as well as up. Always do your own research before making any financial decisions.