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}.
Text: Warren Buffett said Berkshire Hathaway Inc's recent investment in Activision Blizzard Inc has been "no bonanza" for Berkshire, and was made without knowing the video game maker would receive a takeover offer from Microsoft Corp.
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moderately negative
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