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}.

In Q4 of 2021, Berkshire Hathaway purchased 14.7 million shares in Activision Blizzard, worth nearly $975 million at the end of 2021. The almost $1 billion stake in the video game company happened just weeks before Microsoft announced its acquisition in Activision Blizzard.
mildly positive