1.   Premenos shares rocketed in value when they were initially sold in late September, when investor optimism about demand for Internet products was at a peak.

2.   Venezuelan shares rocketed to record highs for a third session, propelled by foreign investors.

3.   Its shares have rocketed in the past week after the company posted better than expected interim results.

4.   Shares in Anglia rocketed on news of the bid last January.