Upload data from yahoo: 
Convert Csv json
Load Data to djChg db
run Command to update data
UPDATE fidelity f
JOIN djiaChg d ON DATE(f.fidCurDate) = d.djDate
SET f.fidDj = d.djChange

Need a where to only update records since last download: 2025-05-15?
where date(fidCurdate), fidDj, fidComment, 


To Test Data
select date(fidCurdate), fidDj, fidComment from fidelity where fidDj != "" order by fidCurDate DESC 
=========== Todo =======
Clean up the comments fidComments
Remove other dj tables - only keep djiaChg