Closing TSLA with a gain of 9% on the last tranche
Closing AAPL with a gain of 3.9% on the last tranche
Closing VXX with a gain of 6.3% on the last tranche
Mario Randholm Blog. Mario is the founder of Randholm & Co. S.A.C., an investment management company dedicated to producing superior returns for its clients and employees by adhering to mathematical and statistical methods.