Using returns to measure a company that's intent on expanding at the expense of profit, doesn't sound like the best gauge. $MercadoLibre(MELI)$ is unlikely to inspire any confidence at this stage. Look elsewhere if returns is what you seek.
Should be good. It means investors can buy shares and put in our own shares account, without needing Tiger to hold on their behalf. Brokers usually charge more for such transactions.Maybe people don't understand the news, thought it's some regulation by another govt, anyhow sell.