they are talking about possibility of share swap to take it private.
if share swap, meaning they need to convince ytlpower minority shareholders to agree on the share swap to ytl. Therefore, ytl share must up a lot and ytlpower share must under-performing, in order to attract them. Today, ytl share price at 52 weeks low, and ytlpower at high.
if the above logic is true, you know what to do.
however, this rumor has been there for years. it may eventually drag longer as there is so large floating shares in the market to be collected back.