Over the past decades fluctuations in wealth shares depend largely on movements in real estate prices and share prices. Increases in the former have a tendency to push up the share of the upper half of the distribution at the expense of the very top causing inequality to go down, whereas increases in share prices make the very top share larger due to share ownership still being very concentrated causing inequality to increase.96 In the year 1997 the top percentile in the wealth distribution owns 62% of all privately held shares, and the top 5% holds 90%.97