This is an investment. "To invest is to allocate money with the expectation of a positive benefit/return in the future." If I put money in your bank-like-thing

This is an investment. "To invest is to allocate money with the expectation of a positive benefit/return in the future." If I put money in your bank-like-thing, expecting to get more back at the end, it's an investment. > I'm guessing the concept is more like stock lending fees Those are investments too. Their technical name is "repos", short for "repurchase agreements".