What Triggers a Margin Call and How You Can Protect Your Portfolio
A Margin Call occurs in the stock market when an investor's margin account falls below the required maintenance level. This typically happens when the value of the securities purchased on margin (with borrowed funds) declines, causing the equity in the account to drop. When this happens, the broker demands that the investor either deposit additional funds or sell some securities to bring the account back up to the required margin level.
For example, if an investor buys

















