Stick to large, well known firms. In the US, that's Fidelity, Vanguard, Schwab, eTrade, ... There are few 'fintech' players that have the weighty balance sheet

Stick to large, well known firms. In the US, that's Fidelity, Vanguard, Schwab, eTrade, ... There are few 'fintech' players that have the weighty balance sheet you'd want when major market events occur. Trades are pretty cheap, even $0 for most standard trades on Schwab[0]. [0] https://www.schwab.com/pricing https://www.schwab.com/pricing