Shares in Aconex have almost halved in value after the cloud-based construction software provider slashed its guidance for full-year revenue and earnings.

Aconex shares were $2.55, or 45.1 per cent, lower at $3.10 at the close of trading on Monday. Aconex says lower-than-expected sales in the UK and the Americas during the first six months of 2016/17 had prompted it to cut its forecasts. Uncertainty around Brexit was partly to blame for…