** Shares of biofuel producer Green Plains Inc GPRE.O up
12.4% at $34.8
** Ancora Holdings Group, which owns a nearly 7% stake,
calls for GPRE to explore a sale process urn:newsml:reuters.com:*:nBw35Kwc7a
** Ancora, in a letter to board, estimates a buyer would
likely pay at least $50 a share for the company
** The news was first reported by Reuters urn:newsml:reuters.com:*:nL1N34F2JG
** More than 1.2 mln shares change hands, nearly double the
stock's 25-day average trading volume
** Last year, GPRE fell 12.3%
(Reporting by Nandhini Srinivasan in Bengaluru)
((nandhini.srinivasan@thomsonreuters.com))