At the request of the account manager, an account was opened on May 29 with $250, and as time went by, various products and information were provided, urging the investor not to miss this opportunity and continuously investing more deposits. The investor deposited a total of $15,250 in investment deposits in three installments until July 11, and then requested a withdrawal of $1,000 on July 15. At that time, the account balance was $16,929, and the remaining available margin after purchasing foreign exchange and stocks was $9,500. The manager said that the margin level was over 280%, so there was no need to worry. However, at around 11:20 PM on July 17, Korean time, the account manager suddenly called and said that he had to call urgently because the margin level was dropping significantly, and that if he left it like this, he could lose all of his invested assets (balance), so he could minimize the loss by depositing $5,000 more. When I told the account manager that I had money to deposit, he got angry and hung up the phone. When I checked around 6:00 AM on July 18th (Korean time), the total remaining account balance (asset) of $16,929 was completely depleted in a few hours, and the account balance was -$1,805, showing an ROI of -132% and a margin level of 23%. For the $1,000 withdrawal request on July 15th, a transaction record was left saying "Low margin level" and "Withdrawal approval denied." The account manager who used to call me every day without fail has not called me since July 18th when my account balance became -$1,805. In stock trading, losses are not 20% to 30%, but my account balance suddenly became a loss of over -132%. I just can't understand why the remaining margin of $9,500, which should have remained even if the foreign exchange and stocks I purchased were at a loss, has disappeared. My current account balance is -$2,405 and my margin level is 114.25%. What should I do?