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 the final month of 2022, scientists at Lawrence Livermore National Laboratory ended a rough year with a bang by reproducing the power of the sun in a laboratory, sparking forward-looking interest in so-called nuclear fusion stocks. But what exactly is nuclear fusion?
moderately positive