Bitcoin holds overnight gains after last week's rout

NEW YORK, Dec 26 (Reuters) - Bitcoin held its overnight gains in early U.S. trading on Tuesday as the world's biggest and best-known cryptocurrency rebounded on light trading volume from its worst week since 2013.

At 8:33 a.m. (1333 GMT), the digital currency was last up almost 10 percent at $15,300.00 on the Luxembourg-based Bitstamp exchange. It lost nearly 30 percent at one point last Friday at $11,159.93. (Reporting by Richard Leong in New York, Lisa Twaronite in Tokyo and Vidya Ranganathan in Singapore Editing by Chizu Nomiyama)