A look at the shareholders of Persimmon Plc (LON:PSN) can tell us which group is most powerful. The group holding the most number of shares in the company, around 82% to be precise, is institutions.

Persimmon today said underlying market fundamentals ... The top flight dropped 0.9% on Monday to close at 8,600.22, with Rolls-Royce among the big fallers after a drop of 9%.