who is holding this stock down

Hi all,
I posted this on NTU and I feel that it relevant for this one also.

Uranium stocks running hot today on suggestions South Korea want to package a deal to build nuclear power plants in global markets using their advanced technology and Australia?s uranium. PDN up 1.4%, ERA up 3.0%, EXT up 4.5%, BMN up 8.5%, DYLup 9.5%, TOEup 12.5%, MGO up 5.5%.

Ciao,
Tony