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: Activision Blizzard Inc shares rose on Monday after Warren Buffett said his company Berkshire Hathaway Inc had taken a 9.5% stake in the video game maker, which Microsoft Corp has agreed to buy for $68.7 billion.
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moderately positive
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