Very appropriate - and a tribute to those that deserve respect.
TRADING - not investing. And lest anybody confuse the two - I'm sure the moderator will be able to sort out their mistake quickly.
To quote a source:
"Trade originated with the start of communication in prehistoric time. Trading was the main facility of prehistoric people, who bartered goods and services from each other. Peter Watson dates the history of long-distance commerce from circa 150,000 years ago.[1]"