We cannot dwell on the past but what we can make sure is make the right choices iin the present to ensure we have a better future.

As you did test a small amount in March so will someone else this March and next March they'll be kicking themselves for not investing more.

The point is, it might be too late in what you invested but there are always alternative investments and their are always equal opportunities just as they existed in 2009, 2013, 2017, today and until the day we die.