UPDATE 1-Bill Gross tweets: German 10-year bunds 'the short of a lifetime'
April 21, 2015 at 15:48 PM EDT
NEW YORK, April 21 (Reuters) - Bill Gross of Janus Capital Group Inc said on Tuesday that German 10-year Bunds were "the short of a lifetime" and that the trade could earn 10-15 percent over a period of one to two years.