Bill H. Gross is a person who is famous for being a really smart investor. He is like a grown-up who knows a lot about money and how to make more of it.
Imagine you have some money to spend and you want to buy some toys. But when you go to the toy store, you see that some of the toys you want are very expensive. You need to decide which toys you can buy and which ones you can't afford.
Bill H. Gross does something similar, but instead of buying toys, he buys things like stocks and bonds. These things are like pieces of companies or governments that people can buy to help them make more money.
Bill H. Gross is so good at investing that a lot of people give him their money to invest for them. This is called a mutual fund. Bill takes the money from lots of people and buys stocks and bonds for them. Then, when the stocks and bonds make money, he gives the people back more money than they gave him in the first place.
Bill H. Gross is very good at picking which stocks and bonds to buy, and he has made a lot of people rich by doing so. But sometimes, he makes mistakes, just like how you might regret buying a toy that ends up not being very fun to play with.
Overall, Bill H. Gross is a very smart investor who helps lots of people make more money by buying stocks and bonds for them.