Multi-strategy hedge fund Verition Fund Management has parted ways with at least four investment professionals across its global offices in recent weeks, as part of a broader effort to refine its trading teams, according to a report by eFinancial Careers.

Mitesh Parikh, a long-time macro investor at $12bn multi-manager hedge fund firm Schonfeld Strategic Advisors, has stepped away from running his trading book to focus on developing investment talent, according to a report by Business Insider.

HSBC’s London-based head of CEEMEA rates trading, Andrew Dinnis, has resigned and is expected to join an unnamed hedge fund once his notice period ends, marking another senior departure from the bank, according to a report by eFinancial Careers.

Two senior G10 FX traders have exited Citigroup, with one – John Nihill, a highly regarded FX trader based in Sydney – rumoured to be joining a hedge fund, as the battle for top trading talent intensifies, according to a report by eFinancial Careers.

Citadel has further strengthened its treasury quant team with the appointment of Tushar Singla as the new head of international treasury quants, based in the firm’s London office, according to a report by eFinancial Careers.

Balyasny Asset Management has secured another high-profile hire, bringing on Citadel trader David Brodsky with a compensation package worth up to $50 million, according to a report by Bloomberg citing sources familiar with the matter.

Citadel, the multi-strategy hedge fund led by Ken Griffin, has appointed Rafa Lopez Espinosa as the new Chief Operating Officer (COO) of its global equities business. Lopez Espinosa joins Citadel after nearly a decade at Point72, according to a report by Financial News.

Equity Data Science, a provider of investment process management software, has strengthened its advisory team with the addition of seasoned industry professionals Perry Boyle, Jay Chandler, Phil Vilhauer, and Vikas Kalra.