GSR Markets and Amber Group are USUAL market makers

According to on-chain analyst @ai_9684xtpa, GSR Markets and Amber Group are market makers for the recent RWA new currency USUAL:
Amber: The number of market making 12 million pieces, the current position 1.60 million pieces (2.54 million US dollars), which is the current position Top12 address;
GSR: The number of market making 8 million pieces, the current position 2.76 million pieces (4.40 million US dollars), is the current position Top9 address.