Earlycareer spent as Tech Entrepreneur. Ran and founded first software company in1976.
A delay in tax reform, including proposed cuts in corporate taxes, would hurt stocks, says The Lindsey Group's chief market analyst.
Looking ahead, Wal-Mart has raised the low end of its earnings outlook for the full year.
Investors are counting on Trump aide Gary Cohn to help push through tax reform, Jeffrey Sonnenfeld tells CNBC.