KKR Private Equity Investors, the $5bn (€3.9bn) investment vehicle of US private equity firm Kohlberg Kravis Roberts, slipped 1.7% off its opening price of $25 at the close of its first day's trading on Euronext's Amsterdam exchange last night.

The shares have since rallied slightly, trading at €24.69 at 10:10 GMT, but still 1.3% down on the issue price.