For all who are interested, this issue with Excel DDE and Chrome has been fixed, and I confirmed that Excel (with Chrome) is getting quotes and placing orders quite well. Additional information about this fix is here:
https://productforums.google.com/fo...blem-and-get-troubleshooting-help/DqcxbNwHbDI
https://productforums.google.com/fo...blem-and-get-troubleshooting-help/DqcxbNwHbDI