There was a slight increase in LUNA's value but it then went down immediately right after Do Kwon's (Terra's founder) Fork Proposal.
Traders immediately sold their tokens. They probably did not like the idea or the idea could not really be that helpful for LUNA.
LUNA is down more than 99% since April highs of nearly $120. The drop came as excess LUNA was put into circulation last week to prevent the collapse of terraUSD (UST)