By Henry Saker-Clark, PA Deputy Business Editor & Lawrence Matheson Currys, the tech retailer, should hold out for a takeover offer of around £1 billion, according to one of its investors. JOHCM (JO Hambro Capital Management) UK Equity Income fund, who is a top 10 shareholder in the company, said an offer between 80p and 100p per share would be “acceptable”. This would value the business at about £1 billion. This comes after Currys turned down a second, higher £757 million takeover bid from the US owner of Waterstones last week. Activist investor Elliott Advisors had made a second proposed off…