The owner of Bank of Hapoalim(holder of Kushner's loans) is Shari Arison. She inherited it from her father Ted Arison.
"In an effort to avoid estate tax in the United States, in 1990 Arison renounced his U.S. citizenship and residence, and returned to Israel where he founded Arison Investments.In 1997, Arison Investments headed a consortium that purchased the controlling share in Bank Hapoalim for more than $1 billion, the largest privatization in Israel's history."
This purchase was only made after…
"In 1986, Arison's condominium neighbor, Count de S.G. Elkaim (Vice President at E.F. Hutton & Company, Inc.), advised him to go public before an impending big correction in the stock market. Following his advice and guidance, Carnival Cruise Lines was floated on the American Stock Exchange in July 1987, one month before the stock market top and the infamous crash of October 1987. (Hutton was one of the four underwriters.)[4]
No competition was able to raise money, which gave Carnival an advantage. In February 1989, Arison awarded in the strictest of confidence the exclusive sale of the company at $30 per share to Elkaim. The stock market recovery from the emotional shock on the 1987 crash was not able to absorb this transaction. Consequently, having Carnival in the stock market and the ensuing rally until 1999 catapulted Arison to one of the world's richest people."
Sounds like Mr. Arison had inside sources to help amass his wealth.