Exchange reports better quote stability, less market impact and more return customers.
Fidelity International also launched environmental, social and governance ETFs this week.
The industry spends more than $20bn a year processing trades.
Global market maker cites a 'continuous and relentless' investment in technology and talent.
One global trading head shares his thoughts on how buyside cooperation is essential.
Since its founding 127 years ago, HFLS has provided over $350 mln to more than 875,000 borrowers.
'Shortwave as a Service' provider says its speed is the new benchmark for latency between exchanges.
The firm has signed up 17 clients since last October.
Tech providers sees "dramatic opportunity to grow across the buy-side community."