The UK share prices originate from the market (from Market Makers and the Stock Exchange Order Book).
Order driven is where share prices are determined by all orders coming onto the Order book.
Meanwhile, Persimmon, which has seen its shares sink in line with other housebuilders, lost a further 0.5% having slipped 6% in early trading. Last month, the decline in Persimmon's share price meant that it was demoted from the FTSE 100, the share index that contains the largest UK-listed companies. Real time prices constantly change as do Real-time Delayed but the latter are 15 minutes behind.
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