Why Genetic Signatures, Retail Food Group, Smartpay, and St Barbara shares are tumbling today

These shares are starting the week deep in the red. But why?

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In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) is on course to record a decent gain. At the time of writing, the benchmark index is up 0.75% to 7,784.4 points.

Four ASX shares that have failed to follow the market higher today are listed below. Here's why they are falling:

A man holds his head in his hands, despairing at the bad result he's reading on his computer.

Image source: Getty Images

Genetic Signatures Ltd (ASX: GSS)

The Genetic Signatures share price is down 10% to 65.5 cents. This morning, this global molecular diagnostics company announced that it is concluding the development of the EasyScreen Essentials Respiratory Detection Kit for the US market. The company made the decision based on an internal assessment of the commercial landscape. CEO Neil Gunn said: "While it is disappointing to conclude the development of a key product at this late stage, we are very mindful that any investment we make in new products must continue to be aligned with a compelling commercial opportunity."

Retail Food Group Ltd (ASX: RFG)

The Retail Food Group share price is down almost 3% to 6.8 cents. The quick service restaurant operator released an investor update this morning and revealed that retailing macroeconomic conditions remain weak. As a result, sales are flat year to date in FY 2024. The good news is that management expects "improvement in market conditions in FY25 as tax cuts, growth in real wages and population, and the potential for rate cuts are expected to allow some consumers to ditch frugality."

Smartpay Holdings Ltd (ASX: SMP)

The Smartpay Holdings share price is down 2.5% to $1.19. This follows the release of the New Zealand based payments company's full year results. Smartpay reported a 24% increase in revenue to NZ$96.5 million and a 29% jump in normalised profit before tax to NZ$9.8 million. It seems that some investors were expecting an even stronger performance from the company in FY 2024.

St Barbara Ltd (ASX: SBM)

The St Barbara share price is down 17% to 23.2 cents. Investors have been hitting the sell button today after the gold miner released an update on its guidance for FY 2024. According to the release, the company's Simberi's gold operation has underperformed materially during the fourth quarter. This has been caused by the important Sorowar ore zone not being accessible until the next quarter, which has resulted in lower ore grades. As a result, full year production and cost guidance for FY 2024 is revised to 52,000 to 56,000 ounces (previously 60,000 to 70,000 ounces) at an all-In sustaining cost of A$3,700 to A$3,900 per ounce (previously A$3,200 to A$3,400).

Motley Fool contributor James Mickleboro has no position in any of the stocks mentioned. The Motley Fool Australia's parent company Motley Fool Holdings Inc. has no position in any of the stocks mentioned. The Motley Fool Australia has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips.

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