If you hit $0 Avail. funds for trading, your account will go into a margin call and Ameritrade will force you to sell positions or deposit money. I'm going to assume your Account Balance isn't -8.1k because you would have hit a margin call long before your account went negative unless this all happened overnight.
Sadly, these peaceful animals may not survive into the next century. Ape conservationists say time is running out, as there are only about 720 mountain gorillas left in the world, and the majority of gorilla populations are plummeting.
About mountain gorillas. The powerful mountain gorilla is one of four surviving gorilla subspecies. Theyâre found in just two isolated populations â in the Bwindi Impenetrable National Park in Uganda, and the Virunga volcanoes â which span the borders of Rwanda, Uganda and the Democratic Republic of the Congo (DRC).