LOL... Well, trading is OK for smaller shareholders but not the larger ones like WB who prefers to buy the ENTIRE good business then hold forever...
As for share prices, they are subject to emotion & volatility.
Would I trade more often if the commissions were lower? Probably, but not that much more nevertheless I do not want to make my broker rich!
Let's be clear. Everything is for sale. At the right price. [I agree with @thedeal on this]. Even the KK. At 10/- it screams a BUY. At some point I will sell them...
Why sell KK [or any other stocks/assets]?
1) I need the cash. For personal stuff, etc. I would sell at any price if it is an emergency.
2) It does not meet my criteria [dividend drops, profitability drops, industry stalls, the PE or PB is too high, etc]
3) I find a better deal. Say I can buy into another 'Equity Bank' which is where EB was 5 years ago... Bye bye [current] shares in Equity for the new Equity! [BTW, I thought it was Family Bank but it was not to be]
Greedy when others are fearful. Very fearful when others are greedy - to paraphrase Warren Buffett