Greenmailing

Children

1980s Donald Trump became notorious for leaking word that he was taking positions in stocks, hinting of a possible takeover, and then either selling on the run-up or trying to extract lucrative concessions from the target company to make him go away.
1980s It was a form of stock manipulation with an unsavory label: "greenmailing." The Times unearthed evidence that Mr. Trump enlisted his father as his greenmailing wingman.
1989 Later that year, Fred Trump bought $5 million worth of American Airlines stock. Based on the share price - $81.74 - it appears he made the purchase shortly before Mr. Dorfman reported that Donald Trump was taking a stake in the company.
1989 On Jan. 26, 1989, Fred Trump bought 8,600 shares of Time Inc. for $934,854, his tax returns show.
1989 Seven days later, Dan Dorfman, a financial columnist known to be chatty with Donald Trump, broke the news that the younger Trump had "taken a sizable stake' in Time.
1989 Sure enough, Time's shares jumped, allowing Fred Trump to make a $41,614 profit in two weeks.
Ronald Perelman