here is big pile of work you can do with such level of investment capacity.
First choice is, follow whatever you have knowledge on and can pursue.
Second choice , if you have no idea what to do there are tons of entrepreneurs seeking fund. Find suitable one and build up a team.
Third, meet bunch of people in person who can guide you and learn about market statistics from experienced one but not only following same suggestion you get but try finding innovative one and if you want I would love to help u on it.