Sirius Minerals share price plunges 50% – is it the bargain of a lifetime?

The Sirius Minerals plc (LON:SXX) share price keeps falling, so is now the time to get in cheap on the massive Yorkshire mining project?

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.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

Owners of Sirius Minerals (LSE:SXX) shares have taken a bath like no-one else. At time of writing, the share price is in single digits, down from a 30p high at the beginning of 2019.

Huge hype and intense investor interest followed Sirius Minerals since it announced one of the largest new infrastructure projects in Europe. The Woodsmith polyhalite mine underneath a national park in North Yorkshire would be the first major UK mining project in decades.

But shares fell away as costs blew through early estimates. At last count the build needed $3.6bn to complete.

Seasoned investors will have seen this kind of hype before, for projects like Kenmare Resources. Look at a five-year chart of that stock’s share price and tell me it was a good investment.

Tell us a story

If the Sirius share price is going to recover, the company needs money, and fast. That means potentially another share issuance and a dilution of stock for current holders.

Sirius promised the mine would be the deepest in Europe, with enough in the ground for 100 years of digging. A 23-mile underground conveyer to haul minerals to the surface would be the longest tunnel in the UK. Polyhalite production could hit 20m tonnes a year, and selling the mineral as a fertiliser could add £2bn a year to UK GDP.

Global expertise, a tireless workforce, the vision to think big – Sirius seemed to have it all. Apart from the cash to actually build the thing.

As market commentators have wisely noted, Sirius Minerals is in the business of selling stories and investors like to buy stories.

Mine half full?

Optimism has drained away as the news keeps getting worse.

The latest calamity to shave half the value from the price of Sirius Minerals shares, is its $500m bond issue failure. It desperately needs the money to complete the next stage of construction on the Whitby mine. The bond was part of a $2.5bn bank facility with JP Morgan that would take the mine into production. That will now be pulled and Sirius will also have to hand back $400m from a convertible bond issue earlier this year.

Bosses blamed “market conditions” for the bond failure. And Boris Johnson’s UK government – which this week intervened in the £4bn sale of FTSE 250 defence firm Cobham – said it would not step in to help.

Chief executive Chris Fraser said the firm would slow development on the massive build to preserve the £180m-odd in cash Sirius has left. A six-month strategic review “will incorporate feedback from prospective credit providers around the risks associated with construction and will include seeking a major strategic partner for the project,” Fraser said.

Can Sirius share price go lower?

One of the hardest things about being an investor is knowing when to cut losses and move on. Employing that capital in already-profitable projects is nowhere near as exciting as getting in on the ground floor, but it will make you richer than keeping a white-knuckle grip on dying shares.

I would steer well clear for now. For shareholders stuck waiting for a giant, long-term payoff to reward their faith, it’ll be the hope that gets you in the end.

Tom owns no shares mentioned. 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

The flag of the United States of America flying in front of the Capitol building
Investing Articles

Why is the S&P 500 up 7.5% this month? It may not be for the reason you think

Mark Hartley looks into the reasons why US markets are seeing a resurgence after a tough March, and eyes an…

Read more »

Night Takeoff Of The American Space Shuttle
Investing Articles

These FTSE 100 stocks are tipped to rise 53% (or more) in the next year!

Could BT and Diageo shares be about to spring higher? Royston Wild looks at the latest price forecasts for these…

Read more »

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

£1k bags investors 813 shares in this 7%-yielding income stock

This under-the-radar small-cap income stock is on track to hit 50 years of uninterrupted dividend increases! With a 7.2% yield…

Read more »

Artillery rocket system aimed to the sky and soldiers at sunset.
Investing Articles

Down 11% and 26% under ‘fair value’! 1 of the best FTSE defence stocks to buy today?

This FTSE 250 high-tech defence star looks deeply undervalued as global military spending surges. Is this a rare opportunity before…

Read more »

This way, That way, The other way - pointing in different directions
Growth Shares

Why isn’t the Greggs share price going up?

Jon Smith explains why the Greggs share price has underperformed recently and gives his opinion on the direction of travel…

Read more »

Tree lined "tunnel" in the English countryside of West Sussex in autumn
Investing Articles

Up 67%! Is the FTSE 250’s Raspberry Pi the next Rolls-Royce?

The Raspberry Pi share price recently exploded by over 67% in two days! But could this just be the beginning…

Read more »

Investing Articles

£20,000 invested in the FTSE’s Rio Tinto a year ago is now worth…

This FTSE commodities giant has surged 69% in a year — but its strong fundamentals, huge cash generation, and valuation…

Read more »

UK money in a Jar on a background
Investing Articles

How to invest £5,000 in the FTSE 100 today

By investing £5,000 in the FTSE 100 at the start of 2025, over £21,500 profit could have been made in…

Read more »