I don't want to invest anymor. Enough is enough!

Hi, Now a days Information technology develop to the world
& very fast these type of scammers. i was also invested 200 USD then
account manager guide to how invest. finally i have 400 USD (after 45 days) over night account
manager says invest Oil, gold etc., I got a call 22.30. more invest.. i ask why? i check account on
next day is 300usd' balance ??????