Shares of Nvidia lost 6 percent after the chip giant said it will post a 5.5 billion dollar quarterly charge related to exporting its H20 graphics processing units to China and other nations, Patrick O'Hare from Briefing.com provides an update on the uncertain market conditions, More on the Wealth Management and Retirement Planning Seminar at Hayes Mansion in San Jose at 6:30pm with CFP Chad Burton and CFP Ryan Ignacio