You better follow groups with news and discussions, to make a fundamental and sentimental analysis on your own.
The signal groups mostly have some automated software that do technical analysis and throw some prediction, but crypto's now are more sensible to news, new regulations , forks and etc than analysis.

I wonder what will happen after segwit2x. If if splits, will be btc price start a correction ?

Might go to 5200$, maybe 5k, but not lower. Imagine what volume should take the price down to 4k..