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}.

Western Digital Corp (NASDAQ: WDC) shares are trading higher Tuesday after Elliott Investment Management sent a letter to Western Digital's board, calling for a full strategic review of the value that could be created by separating its flash unit. Elliott Investment Management, which.
mildly positive