commodities
kinds
gems
purity scanners:
kinds:
diamonds
metals
purity scanners:
# ultrasound
https://sdbullion.com/gold-and-silver-purity-testing-scanner-sigma-metalytics
https://www.youtube.com/watch?v=DrHGqqr7v7c
https://www.youtube.com/watch?v=40lPMVhQMdo
ultrasound:
https://www.youtube.com/watch?v=40lPMVhQMdo
kinds:
gold
silver
paladium
tungsten
oil
# energy
https://oilprice.com/
futures:
WTI:
https://oilprice.com/futures/wti/
ETF:
short term:
USO:
https://robinhood.com/stocks/USO?source=search
exploration & production:
https://robinhood.com/stocks/XOP?source=search
natural gas
# energy
Soy Beans: