Changes allow SRO to match SEC on standards for inter-listed stocks
Exchange plans to introduce dedicated CPUs for order entry
Research finds effects are mixed, but HFT boosts systemic risk, costs
Trading models secretly changed to boost performance, compensation
Exchange seeks comment on new co-location offering
FCA investigating possible competition concern in data access
Regulators face challenges with market fragmentation, high-tech trading
Move weakens investor protection, commissioner says
CIRO, CSA to publish joint report on CFR sweep in first half
U.S. authorities allege trade secrets stolen to help start rival firm