Hobby investments are a fun alternative to the stock market. But they aren’t immune from the ebbs and flows of the economy.

“We generate less revenue per dollar on every client asset than anyone else,” Walt Bettinger says.

“We generate less revenue per dollar on every client asset than anyone else,” Walt Bettinger says.

The company says it will save nearly $4 billion.

The company says it will save nearly $4 billion.

Credit card swipes, satellite data, media subscriptions ... all kinds of information fuels data-driven investing.

"We are looking at companies and technology well before everyone else recognizes what it is and where it's going," Ann Miura-Ko says.

U.S. Rep. Chris Collins of New York was arrested and charged this week with allegedly passing on information he learned as a board member of a Australian pharmaceutical company to family members who quickly sold their stock to avoid big…

It's become a cautionary tale for biotech investors. Are they heeding it?