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}.

On Wednesday, Berkshire Hathaway Inc. ( BRK.A , Financial)( BRK.B , Financial) CEO Warren Buffett (Trades, Portfolio)'s favorite market indicator stood at 133.9%, down from the Feb. 2 level of 139.5%. Additionally, the insurance conglomerate's top holdings are less overvalued based on GuruFocus' exclusive valuation method, the GF Value.
mildly positive