The dark matter star would collapse into a black hole. "Then the neutron star won't be able to survive anymore, and it'll collapse too, " says Fairbairn.

The dark matter star would collapse into a black hole. "Then the neutron star won't be able to survive anymore, and it'll collapse too," says Fairbairn.

Investors were perturbed by the sudden collapse of Peloton Partner's star hedge fund, which had bought assets priced at a discount during the credit squeeze in the belief they were a good bet.