If you’d invested in: Microgen and Adgorithms

Microgen (Aim: MCGN) is a London-based software company with offices around the world, listed on Aim. It develops investment-administration software for fund managers, wealth managers and private banks, and financial accounting software for other companies.

In the six months to the end of June, the company made a pre-tax profit of £3.8m, up slightly from £3.7m in the same period last year. The firm's shares have risen by more than 80% in the last year and by almost 40% in the last month.

Be glad you didn't buy...

Adgorithms (Aim: ADGO)

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Adgorithms listed on Aim in June 2015, but soon after published two profit warnings that slashed its value by over 60%. The shares have continued to fall and are down more than 85% since listing.