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: Shares of RIVN stock are plunging as its initial public offering (IPO) lockup expiration for early investors and insiders expires today. The post Ford and Amazon May Be Selling Rivian (RIVN) Stock.
user
moderately negative
assistant