Investing in mid-cap stocks can open the door to higher returns without taking on too much additional risk. But is it a good idea?

Investing in large-cap stocks is often seen as a safe haven. But these firms are not immune to risk, nor do they only offer small returns.

Investing in micro-cap stocks can be highly risky, but it also opens the door to potentially explosive returns.

Investing in small cap stocks can be risky business, but it also opens the door to potentially massive returns.

Explore the volatile world of penny stocks and discover what they are, how they work, and whether they can be profitable investments.