TREASURIES-Prices rise on light data, Fed double buy-back

* Prices rise in light data day in heavy economic data week * Fed buy $940 mln notes due 2024-2031 * Fed to purchase $3 bln-$4 bln notes due 2019, 2020 By Karen Brettell NEW YORK, Dec 3 (Reuters) -...

from Reuters: Bonds News http://feeds.reuters.com/~r/reuters/bondsNews/~3/OqLTSNsFsHE/story01.htm