"It's like a kid at a child's party who, after an afternoon of cake and ice cream, eats one more cookie and that puts them over the edge," said David Kelly, the chief global strategist for JPMorgan Asset Management.
Dow Jones plunges 1,500 points →
"A lot of ours are older," Kelly said. "They might not be rideable any more, but they are great, and deserve years of a loving, caring home."
Horse sanctuary owners call for donations to avoid closing →