David Stephens

Personal portfolio and knowledge management platform.

Portfolio Management
Track investments and analyze performance
Knowledge Library
521 books and highlights
Quotes Collection
73 curated quotes
Featured Quote

"The reason the stock market is hard to predict is because it is a prediction."

Andrew Critch , 2017
Featured Highlight

"Other researchers are pushing neurotech even further. Palo Alto Neuroscience,17 a Silicon Valley start-up, has developed a system that can tag the biomarkers of a nonordinary state—that is, brainwave…"

Stealing Fire: How Silicon Valley, the Navy SEALs, and Maverick Scientists Are Revolutionizing the Way We Live and Work by
This is a private platform for authorized users only.