For discussion purposes, I’ll give it a quick go and let the board add/tweak where appropriate.
1. “I do not want to sell my shares at a lower price than I paid for”
Loss Aversion
Anchoring
2. “I’m a high flyer and I spend all my current salary income and bonus income on current “toys”, I’m not worried much about pension for now – I’m 25”.
Self-Control
Status Quo
Mental Accounting
3. “I would rather borrow than touch my retirement account or savings accounts”
Regret Aversion
Loss Aversion
4. “I could have predicted the direction of the stock price, it was obvious”
Illusion of Control
Hindsight
5. “I was burnt before during the financial crisis…and this has taught me lessons when it comes to investing and my outlook for the future”
Conservatism
6. “Amazon has just released its Q3 updates and sales are down by 5%, I have decided to sell all my Amazon shares”
Confirmation
Loss Aversion
Framing
7. ‘They also overestimate what could have been known’.
Illusion of Control
8. “I believe the downward trend on stock price will stop and mean-revert after large drop in stock”
Confirmation
9. “I don’t take risks, I even insured UK house against earthquake and hurricane; but I enjoy small time gambling with work colleagues”.
Conservatism
Loss Aversion