Share tips of the week

MoneyWeek's comprehensive guide to this week's share tips from the rest ofthe financial press.

Three to buy

Autins

SharesInvestors are clamouring to buy into Autins, which supplies noise and heat management products for the automotive industry. The firm works with outfits such as Jaguar Land Rover and Bentley to help them make vehicles that run more quietly. Autins is raising funds for expansion and is a fascinating business with considerable growth potential. Just watch out for its overreliance on a few major clients. 206p

Concepta

The Mail on SundayConcepta has developed a simple product that helps women with fertility issues to become pregnant. The MyLotus kits, which tell women when their luteinising hormone levels are low or high, have been approved for sale in China, while European sales should begin in 2018. The firm is small today, but could generate annual sales of £600m in the next few years. Buy now and the shares could go far. 12.63p

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Gym Group

The Sunday TimesGym Group is a low-cost health and leisure operator with 80 sites. The gym market is highly competitive and the shares have taken a hit of late, but interim results this week should show a return to form, with the company's offer of £16-per-month memberships helping to boost sign-ups. Although membership fees are low, Gym Group has cut costs by having online sign-ups and now looks in good shape. 203p

Three to sell

Laird

SharesThe electronic components supplier is unlikely to meet its yearly trading targets. Laird makes components for smartphones, and in the past strong Christmas sales have carried it through. But global smartphone sales are in decline, so Laird will struggle this year, compounding the problems created by the recent departure of the chief executive, David Lockwood. 299p

Restaurant Group

The TimesShares in the restaurant owner, whose stable includes Frankie & Benny's, have fallen from £7 to as low as 250p last month. After three poor trading updates and a change of management, analysts expect a cut in the dividend to follow soon. New openings have been scaled back as the company looks for a way out, but on 30 times earnings the shares are still too expensive. 420.5p

Tate & Lyle

Investors ChronicleTate & Lyle is no longer linked to the eponymous bags of sugar found on supermarket shelves. It now focuses on speciality food ingredients and sweeteners, such as sucralose. The firm faces several long-term issues, including the lifting of European sugar quotas in 2017 and the growth of other sweeteners, such as stevia. On 19 times earnings, the shares look anything but sweet. 739p

And the rest

Directors' dealings

Richard Hutton, finance director of Greggs, has offloaded 41,000 shares in the high-street baker, for a total of £432,285. Hutton still keeps a stake in Greggs through his remaining 36,924 shares (which amounts to 0.037% of the business). In common with many retailers, shares in Greggs took a knock after the vote to leave the European Union. However, they have since recovered after the firm announced good interim results at the start of August. While the outlook for retailers remains uncertain, Greggs might benefit from consumer belt-tightening due to its low-cost products.

A French view

Logistics group STEF specialises in transporting agricultural products and other temperature-sensitive goods. The firm is based in France and operates across six other neighbouring European countries. STEF's business model differs in one important respect from most competitors, says Investir; it continues to invest a substantial amount in building up its own network of logistics properties, meaning that it is to some extent a real-estate firm as well as a traditional logistics operator. The company operates in a defensive niche, enjoys steady, recurring revenues and is well-diversified, with no client accounting for more than 5% of its sales. Overall, it's a solid business and remains attractively valued on a price/earnings ratio of just 10.7 times forecast earnings for 2016.