Every major trend have 3 phase :-
(1) ACCUMULATION PHASE: When informed buyer are buying the socks or bitcoin (if its happened after downtrend informed buyer believe that price is settled and price is not going downward)
(2) PARTICIPATION PHASE: Public participation when trend follower are start to buying.
(3) DISTRIBUTION PHASE: When the newspaper are start to printing news related to strong price movements, economic news is better. During this phase buyer of PHASE ONE is start to sale their stocks or bitcoin at market.