We have some exciting news to share! The Motley Fool UK has now become The Twelfth Magpie -- an independent, UK-owned company, led by our long-serving UK management team — Mark Rogers, Chris Nials and Heather Adlington. In practical terms, it’s the same team you know, now fully focused on serving our UK readers and members.

Just as importantly, our approach remains unchanged: long-term, jargon-free, and on your side. This site is our new home, and there will be extra tweaks made across the coming few days as we settle in. So if anything looks a little off, please bear with us!

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

Here’s my golden rule when investing in penny stocks and 1 risky pick I like now

Ben McPoland outlines his thinking on investing in penny stocks and picks out one he likes despite it dropping nearly 20% in a month.

| More on:
British Pennies on a Pound Note

Image source: Getty Images

You’re reading a free article with opinions that may differ from The Twelfth Magpie’s Premium Investing Services. Become a member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn more, and get a free 'Best Buy Now' stock!.

I’m always on the hunt for high-quality growth and dividend shares to build out my wealth. My fishing pond is primarily the main FTSE index, where the larger and more established companies reside. In addition to this, though, I do like to snag the odd penny stock for the riskier side of my portfolio.

However, I have a rule for investing in these market-cap minnows, which I’ll get to shortly.

Should you buy Srt Marine Systems Plc shares today?

Before you decide, please take a moment to review this report first. Despite ongoing uncertainties from US tariffs to global conflicts, Mark Rogers and his team believe many UK shares still trade at substantial discounts, offering savvy investors plenty of potential opportunities to learn about.

That’s why this could be an ideal time to secure this valuable research – Mark’s analysts have scoured the markets to reveal 5 of his favourite long-term ‘Buys’. Please, don’t make any big decisions before seeing them.

Why are they risky?

Firstly, it’s important to understand what people mean when they talk about penny stocks, as well as the positives and negatives of investing in them.

Penny stocks, sometimes referred to as penny shares, trade with a share price below £1. And these small firms also have a market cap below £100m.

Due to their small size, many are unprofitable and a fair few are even pre-revenue (they have nothing to sell yet). Without much money to invest in research and development and new products, most never leave the penny stock arena. So they generally offer a higher level of risk.

Unfortunately, due to the low float of shares, they’re also prone to pump-and-dump schemes. These are when someone buys a large amount of stock and hypes it up, before selling it for a profit after other investors have piled in and pushed up the price.

This year, RC365 displayed all the hallmarks of this hype cycle. The stock chart says it all.

My rule for investing

Given the risks then, my golden rule is a pretty simple one. I never invest more than 0.5% of the value of my portfolio in a single penny stock, no matter how much I like it.

So if I had a £100k portfolio, I’d only put a maximum of £500 into a penny share. And I never have more than a handful in my portfolio at any one time.

An example of a big winner

Having said all that, they can also offer a higher potential reward.

Ashtead, for example, was a penny stock 20 years ago. Now, it’s a £20bn FTSE 100 firm and the second largest equipment rental specialist in North America.

Obviously, Ashtead is a very rare case. But it does show what is possible.

So, which penny stock do I like the look of right now?

The risky pick

At 39p per share, I’m bullish on the long-term potential of SRT Marine Systems (LSE: SRT). This is a £76m market cap firm that sells technology to helps vessels and waterway authorities so they can understand what is happening.

Now, the risk has been heightened here because the firm recently reiterated that results would be heavily weighted to the second half of FY 2024. Investors were spooked by this and sold off the stock. If H2 comes in light, it could fall further.

Yet I think this presents an opportunity. The company is a global leader in martine surveillance, which is a growth area due to the global adoption of the automatic identification system (AIS). Like air traffic control, this is a tracking system that transmits a ship’s position, identity, course, and speed.

Meanwhile, the shares look cheap on a forward P/E ratio of just 10. That could prove to be a very lucrative entry point, and I’m considering adding it to my holding.

Ben McPoland has positions in Ashtead Group Plc and Srt Marine Systems Plc. The Motley Fool UK has no position in any of the shares mentioned. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Happy senior couple hugging and enjoying retirement at home
Investing Articles

Here’s why I bought this 7.6%-yielding FTSE 100 dividend stock instead of saving in a Cash ISA

Harvey Jones crunches the numbers to show how investing in stocks and shares can be much more profitable than saving…

Read more »

Young Asian woman holding a cup of takeaway coffee and folders containing paperwork, on her way into the office
Investing Articles

Here’s how much passive income 1,000 Greggs shares could pay…

Greggs shares have lost nearly 50% of their value inside the past two years. Is this out-of-favour passive income stock…

Read more »

Overjoyed exited middle aged married couple giving high five, finishing doing domestic paperwork together at home. Euphoric happy older mature spouses celebrating successful investment or purchase.
Investing Articles

This beaten-down FTSE 100 dividend share just jumped 11% in a week but still yields almost 5%

Harvey Jones has been highlighting this dividend share opportunity for weeks and suddenly it's showing signs of life. Can the…

Read more »

Investing Articles

Down 53% since May, is this SpaceX-backed UK stock now in the bargain bin?

The Filtronic (LSE:FTC) share price has come crashing back down to earth in recent weeks. Has the selling gone too…

Read more »

Close-up as a woman counts out modern British banknotes.
Investing Articles

3,566 shares in this FTSE 100 stalwart earns a £1,443 second income

Stephen Wright sees Unilever's battered share price as an attractive option for investors looking for a second income to consider.

Read more »

Bus waiting in front of the London Stock Exchange on a sunny day.
Investing Articles

3 stocks I’m looking to buy in July

Stephen Wright’s stocks to buy list for July includes a specialist chemicals recovery play, a quiet infrastructure compounder, and an…

Read more »

ISA Individual Savings Account
Investing Articles

How do the government’s latest changes affect your Stocks and Shares ISA?

Stephen Wright explains what the new anti-circumvention rules mean for investors with uninvested cash in their Stocks and Shares ISAs.

Read more »

Businessman hand stacking up arrow on wooden block cubes
Investing Articles

Here’s how much I think Rolls-Royce shares will be worth by the end of 2027

Ken Hall is considering buying Rolls-Royce shares. But just how much further could the stock climb by the end of…

Read more »