Citadel in Automated Trading Desk deal

Purchase from Citi comes as banks pull out of retail wholesaling

Bats copies industry trend with data push

US markets operator maps out long-term plans to investors

FCA provides few answers with HFT study

UK markets regulators offer few conclusions on high-speed trading

SEC faces opposition to trading rules rejig

Exchanges and asset managers criticise moves to pave way for IEX

Nasdaq warns over IEX complexity

Exchange says equity order types will jump if upstart is approved

A silver bell is run at the beginning and the end of the trading days in the United States and England inside BATS Global Markets, headquartered in Lenexa, Kansas (a suburb of Kansas City, Mo.)

Bats plans second attempt at IPO

Hopes that exchanges operator’s move will herald thaw in listings

Trader loses US extradition fight

Prosecutors allege Sarao contributed to 2010 ‘flash crash’

SEC rules shift could aid IEX copycats

Regulator says delays of less than one millisecond ‘de minimis’

FTSE 100 ticks higher after noon auction

UK bourse aims to attract more large blocks trades

SEC moves to delay IEX exchange decision

Regulator drafting order to help it sidestep its own deadline

IEX gains Calstrs exchange bid backing

California teachers’ fund adds to support for trading venue

IEX changes proposal in exchange bid

Trading venue says all orders would pass through its speed bump

Boom time for exchange options trading

Human factor being reduced as market embraces electronic approach

Citadel in new attack on IEX application

Start-up aiming to become an exchange hits back

Virtu backs Aquis’s trading clampdown

US electronic market maker supports UK group’s ban

BATS drops support for IEX exchange push

Claim that start-up misrepresented operations of other traders