Refer to the input text as context and select the correct relationship between 'Angel Broking' and 'financial services' from the available options.
Options: member of, platform, chief executive officer, industry

"The trend-deciding level for the day is 25,929 and 7,889 levels," financial services firm Angel Broking said in a pre-open comment, referring to the Sensex and the Nifty, respectively.
industry