Who writes the market updates for Yahoo Finance?
Yahoo! has various third-party resources from where they collect data or data are being directly updated by those third-party. So, for Market Update data, these data are being driven from Briefing.com or Briefing.com directly updates the data onto Yahoo! Finance. If you have any concerns related to Market Update data within Yahoo! Finance, please contact Briefing.com at: http://briefing.com/CorporateWebsite/Con… If you do not get a satisfactory answer from them, you may approach to Yahoo! Finance Customer Care at: http://help.yahoo.com/l/us/yahoo/finance… I believe this sounds good for you. Thank you.