By Maria Ward-Brennan Shares in listed legal service group RBG Holdings have dropped by over 90 per cent over the last year and hit an all time low on Friday. And after these declines, analysts have wanted the company’s “current situation looks bleak”. RBG Holdings group RBG has two law firms under its umbrella: dispute-focused Rosenblatt and commercial advice specialised in Memery Crystal. The company has struggled to earn a profit since its listing in May 2018 and losses have only accelerated over the past year. In May, the firm said it had lost more than £11m last year, while revenue dipped…