most, if not all IPOs will see a price drop after launch, enter position after then, but I am staying away from China as of now, at least until after Xi is overthrown.

this looks fun

secret of wealth is to "spend money to make money" by that I mean to subscribe to one or two of the established stock/market websites, or better yet, find a buddy or two to share the subscription cost of eg; seekingalpha or motleyfool, and follow their picks. It is more practical to pay for the professional insights unless your full time job is playing the market. There is just too much noise if you are trying to study the market on a part time basis.
if you don't want to "spend money to make m...

I stick to the basics;
When market is trending down, I Sell Calls and Buy Puts.
When market is trending up, I Sell Puts and Buy Calls.

you are only asking for trouble if you have feelings for trading. it has to be cold, calculated and objective. no love, no hate, clear mind.

LSE is about 5 times larger than SE by trade volume and value, so who will choose the smaller exchange?

it's not about making mistakes, it's only a mistake if you didn't learn anything from it.