Answer: greenmail

AnswerCrossword Clue
GREENMAILAntitakeover maneuver
GREENMAILAnti-takeover maneuver
greenmailThe practice of buying enough shares in a company to threaten a takeover, forcing the owners to buy them back at a higher price in order to retain control
greenmailto buy a large quantity of a company's stock as a hostile takeover measure, and then sell it to the company at a higher price