Being alone is a necessary evil when you're trying to make money in the stock market. That's the big secret to being a day trader, a profession that, despite its bro-y, get-rich-or-die-trying energy, ...

The day trader persona on social media looks something like this: A man with a sporty vibe and the swagger of a finance bro says he hit it big in the stock market — and you can too. You probably don't ...