yes tron value are declining but its not only tron that crash, almost all coin in top 100 been crash in this week. i do have a believe in justin sun. tron have a  great idea and good project. they have good partnership recently ( china netflix) and justin sun say there will be more. i do think the reason why tron is keep coming down is because the market is been through another correction. i do still believe soon it will become solid again and able to increasing. there is just alot problem for cryptocurrency that makes the market unstable and its globaly affect all the coin in the market. so i suggest to hold your coin.