What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

EU antitrust regulators are quizzing Microsoft's rivals and customers about its cloud business and licensing deals, a questionnaire seen by Reuters showed, in a move that could lead to a formal investigation and renewed scrutiny of the U.S. software company.
mildly negative