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Lawsuit says market maker’s flawed system gave proprietary traders ‘nearly unfettered access’ to material data
Activity subsided in second quarter amid investors’ concern over banking turmoil
Northwest Biotherapeutics claims Citadel Securities, Virtu and others drove down its share price
Broker Robinhood defends market structure as regulator’s comments send shares in trading group Virtu tumbling
Market makers’ relationship with online brokers has come under scrutiny
Value of the extra trading is expected to be widely shared by market makers
Industry body warns of ‘severe dislocation’ in derivatives if requirements do not change
Florida Panthers owner’s average daily trading profits are rocketing higher on volatility
MEMX, created to drive down market data fees, clears SEC regulatory hurdle
Deal between two groups comes amid shift in way corporate bonds are bought and sold
Earnings vulnerable to fewer consolidation deals and quieter summer of trading
Recent market swings have benefited some high-frequency traders
A subsidiary of Don Wilson’s firm pulled in nearly $1bn in revenue in two years
Smaller volumes and a fall in market volatility have dented business — so much so that some are quitting
US exchanges operator to buy BondPoint from Virtu Financial in $400m deal
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