If you’d invested in: Keywords Studios and RM2 International

Dublin-based Keywords Studios (Aim: KWS) provides localisation services for the video gaming industry translating and adapting games so they can be sold around the world. The firm was founded in 1998 and floated on Aim in 2013.

The latest full-year results showed a 57% rise in pre-tax profits, and it reported an "excellent" first half, with revenues ahead of expectations. It is expanding rapidly, making four acquisitions this year. The shares have risen by 130% in the last 12 months.

Be glad you didn't buy...

RM2 International (Aim: RM2)

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The company issued a profit warning last September, which drove the share price down. The latest annual report showed revenue of $8m in 2015 up from $2m the previous year but an operating loss of $57.2m. The share price has fallen by more than 60% in the last year.