LCH has launched new products and set new records for SwapClear and ForexClear.
The launch follows the introduction of Sonia futures.
Topple was co-head of Societe Generale Prime Services.
Dark trading as share of total turnover fell due to MiFID II volume caps.
BME and Bolsa Mexicana de Valores have formed a joint venture.
David Schwimmer takes the reins next week.
Ms Nagel joins from the London Stock Exchange Group.
Monaco Gold Spot Exchange will use a public blockchain to ensure gold is ethically sourced.
The venue aims to be an institutional-grade token sale and digital asset platform.