Adrift in a sea of virtual reality? Little more than a year ago you couldn’t give away shares in the small computer company sector – so friendless were they that Star Computer Group Plc found it necessary to get into bed with a purveyor of pizzas to improve its visibility and rating: after Tadpole Technology Plc and now Division Group Plc – which soared to 107 pence on its first day of trading from the 40 pence placing price before settling at 96 pence – the rest of the sector looks set for a re-rating as investors seek to discern hidden charms that others have overlooked.