Month in Numbers

Adrian Fitzpatrick, head of dealing at Aegon Asset Management in Edinburgh, explains the downside to trading in dark pools, especially when they contain the remnants of large, unmatched block orders1.125bn- the average number of shares that were traded per day in July on BATS Trading, the US-based alternative trading system. That figure apparently represents a record volume since the venture first launched in 200615- the number of firms that had gained prior approval as clearing participants