(ShareCast News) - Shares in drinks maker and Wimbledon tennis sponsor Britvic are worth buying ahead of its third-quarter trading statement next Thursday, advised Questor in the Sunday Telegraph. The sunny weather in the UK and France should boost performance in the period, with analysts expecting July's 28-day hot spell adding around £5m to earnings, against a poor summer period last year.The company also looks set to confirm a launch for multipacks of its Fruit Shoots in the US next year, having recently delayed the project to reduce risk, and could also give an update on potential improvement from its Robinson's brand. Having late last year warned of "increasingly challenging trading conditions" due to consumer spending, analysts are more confident that the company is better positioned by extra cost savings and a deleveraging balance sheet. Management is expected to reiterate full year operating profits of between £164m to £173m, the paper noted.Buy shares in Tungsten Corporation, said the Sunday Times' Inside the City column. The electronic invoicing company, which floated seven years ago as a "disruptive global player that aims to transform the financial aspects of the global supply chain", is still lossmaking and after a £17m fundraising in June is worth a sixth of its peak valuation and has become a target for short-sellers. The situation appears rather bleak - the perfect time to make a contrarian bet.With suppliers waiting more than 60 days to be paid by many big companies, Tungsten's electronic invoicing service offer to pay these bills immediately for a small commission. Kellogg and Unilever are two of the blue chip companies that have signed up after many years of getting the system up to scratch. New chief executive, American Richard Hurwitz, started last week and, as he looks the right man to take the company forward, now is the time to take a punt.Read more: Last Sunday's share tips: Infinis Energy, mining sector, Gear4musicShares in OptiBiotix are a buy for adventurous investors, wrote Midas in the Mail on Sunday. The company is still in its early stages but chief executive Stephen O'Hara, a microbiologist by training, has built a successful businesses once before and is determined to deliver shareholder rewards at his latest company. Optibiotix was set up just three years ago to develop products that could improve health by changing the way that microbes in the body work and interact. The dream is to help produce snack bars, fizzy drinks or yoghurts that could actually help people lose weight - and help investors pile on the pounds.Recent scientific theories have shown that some of the many trillions of microorganisms that live in the human gut may contribute to a wide range of diseases and conditions, ranging from obesity to heart problems to diabetes. With enough funding to get it through to 2017, the paper said, Optibiotix is working developing a weight-management formula, produced with Dutch partner Nizo Food, that should go on trial in Asia and Europe next year. Next in line is a weight loss product based on a no-calorie sugar.Please note: Digital Look provides a round-up of news, tips and information that is impacting share prices and the market. Digital Look cannot take any responsibility for information provided by third parties. This is for your general information only and not intended to be relied upon by users in making an investment decision or any other decision. Please obtain a copy of the relevant publication and carry out your own research before considering acting on any of this information.