THE BLOCK: Nvidia CEO Jensen Huang has resigned as president, CEO, and board member, effective immediately. CFO Colette Kress has been appointed interim CEO while the board searches for a permanent successor. NVDA Kress, who joined Nvidia in 2013 and previously held finance roles at Cisco and Microsoft, will remain CFO during the transition. The board also appointed Harvey C. Jones, a longtime technology executive and former Synopsys CEO, as its first-ever chairman.