Mark Cuban initially lost money on his 85 Shark Tank investments. What you can learn from his time on the show

Even with a high failure rate, the high-risk nature of startup investing can be a thrill for high-net-worth investors like Cuban, with well-diversified portfolios and plenty of assets to play with. But for the average investor who is looking for a secure retirement, it’s probably better to consider guaranteed returns and low-risk investing.Regardless, most startups are more likely to fail than deliver outsized returns.When considering Cuban’s track record relative to how this asset class generally performs, ...