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}.

Here are four top-performing liquid stocks, Cadence Design Systems (CDNS), Southwest Airlines Co (LUV), Diodes Incorporated (DIOD) and Nova (NVMI), which investors can add to their portfolio for solid returns.
mildly positive