[Informed sources: Citadel Securities and Jane Street are expected to hit record annual revenues] Golden Finance reported that US market-making companies Citadel Securities and Jane Street Group LLC are expected to set records for annual revenues. According to people familiar with the matter, Citadel Securities' net trading revenue in the first half of the year increased by 81% year-on-year to US$4.9 billion; Jane Street's increased by 78% to US$8.4 billion, both of which are much higher than the speed required to set a record annual high.