Trump’s son-in-law’s private investment fund has surged by billions of dollars in value, new regulatory filings reveal.

President Trump’s son-in-law is trying to raise $5 billion or more from foreign governments and others for his private equity firm.

Jared Kushner’s Affinity Partners received the green-light from Israeli regulators to double its stake in Phoenix Financial Ltd., an approval that allows the Saudi-backed investment firm to proceed ...