"To invest this amount" means to use that specific sum of money to purchase assets or put it into an investment opportunity with the aim of earning profit or gaining a return on the investment. Full definition
However, one can analyze the difference in profits after investing this amount in the trading platform. (cryptocoinjudge.com)
Only invest an amount of money you can afford to lose and without changing your lifestyle. (microventures.com)
It would be a financial risk for the club to invest that amount as you can't guarantee that he'd be worth more than that in 3 or so years. (justarsenal.com)