The week’s best buys

Gem Diamonds The Times

Thanks to a strong run of discoveries, cost-cutting and marketing, the gem miner is recovering – and has sought to reduce the number of stones that get damaged by making the crushing process gentler. Buy. 96.5p.

Indivior The Daily Telegraph

Indivior specialises in developing drugs that tackle opioid addiction. Approval for a mechanism to deliver drugs via long-lasting injection will hurt generic competitors. Shares seem “very cheap” given the potential. Buy. 401.5p.

Investors Chronicle

The retailer “perfectly caters to modern shopping tastes and behaviours” with appealing prices and quality products. A lean property portfolio is backed by good online growth and an increasing international footprint. Buy. 324p.

Just Group The Times

Just Group is a well-funded, diversified player in the retirement market. It offers financial planning, insurance and pensions policies, and is a market leader in winning business. Plenty of scope for growth. Buy. 136.75p.

The Times

The challenger bank specialises in lending to professional buy-to-let investors and small businesses. Tighter regulation has proved a boon, return on equity is 28% and it is growing fast. Buy. 379.8p.

Trinity Exploration & Production The Mail on Sunday

This oil producer, which has substantial onshore and offshore assets, is still feeling the pain of the oil price collapse. But it has cut overheads and is increasing production. One for the adventurous. Buy. 15.5p.