IEX takes exception to Nasdaq's planned new data offering.

US regulators have given a six-month reprieve from new margin rules.

Healthy Markets talks adoption of its due-diligence questionnaire.

In an electronic market, personal relationships still matter.

Institutional demand for efficient trading in size XL is as strong as ever.

Equichain to pilot end-to-end execution to custody blockchain.

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Connecting Fixed Income

A 'commoditization of connectivity' will bring the buy side more counterparty choice.

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Trade Like it's 2011

A regulatory rollback may return trading to the levels of six years ago.

Changes at brokers and regulators dominate the week.

80% of volumes have joined the settlement platform.