Trading markets need humans for best execution, exchange CEO says.
The exchange prefers to be market-technology provider rather than a market.
Study reports price discovery improves overall, despite IEX market share.
A pilot is the only way that the SEC will know if a venture exchange would work.
Critics question the resolution's stated blue-sky exemptions.
Name-brand exchange would bolster legitimacy of fledgling markets.
Are quote-driven markets making a comeback?
Competing consolidated tapes will lead only to a mess.
After SEC blocked foreign-led purchase, CHX looks to Big Apple.
