Chamath Palihapitiya, the former Facebook senior executive, sold 15% of his stake in SoFi Technology. The company’s net worth skyrocketed from $8.6 billion to $17.04 billion this year. SoFi’s share prices fell by 2% shortly after Chamath’s Twitter announcement. Billionaire Chamath Palihapitiya sells 15% of the total stocks of…