Robinhood Markets has snared most of the attention for attracting an army of day traders during the pandemic.
But far bigger profits are flowing to the family behind Fidelity Investments in Boston. Operating income reached a record $7.2 billion in 2020 and the number of retail accounts jumped 17% to 26 million. That helped increase the wealth of chief executive officer Abigail Johnson by $3.3 billion to $26.5 billion, making her the world’s eighth-richest woman.