Short selling was under the microscope on Thursday as a U.S. House committee grilled executives from trading app Robinhood and hedge funds Melvin Capital and Citadel over the GameStop Corp trading frenzy, with some calling for change.
The research will have implications for clinicians when prescribing blood-thinning medications after Fontan surgery, a complex congenital heart disease operation redirecting blood flow from the lower body to the lungs.
Market maker Citadel Securities does not use the personal information of retail investors, its billionaire co-founder Ken Griffin told CNBC on Friday, a day after the U.S. congressional hearing on GameStop.
Canadian retail sales slumped by 3.4% in December to C$53.38 billion ($42.37 billion), the biggest monthly drop since April, as COVID-19 restrictions forced many businesses to shut down, Statistics Canada said on Friday.