I have been trading stocks, commodities and options for more than 25 years. I run the website Stock Market Student and the financial data service equityanalytx.com. I have honed my skills in quantitative analysis and various stock investment tools for 13 years at Portfolio123. I am an electronics engineer by profession. I have worked on military, space, and health care projects for more than 35 years. Projects have included a high precision vision system for International Space Station assembly, laser scanner for the Shuttle return to flight, and a deployable flight incident recorder for the F/A-18 Hornet.