Some say that traders or investors do best when they are "greedy when others are fearful" and "taking a step back when others are greedy". Is this true all the time?

Base on my experience... Human emotion is hard to conquer. Even logic and facts is place on the table...human emotion will work against them. In Jan, when china annouce about the wuhan virus... I think for couple of days and decided to sell all my investments. Hold the cash. When March presented a chance, i come in and keep buying when stock market got lower and lower.... During my buying, people are selling.... As they are panic. When i am buying, i share to my frens and clients that it is time to buy.. Their answer... Lets wait,The drop is crazy, wait for it to recover. I now show them my returns, they were like shyt miss the boat.

Overall, alot of people dont remember this phrase... I also fall into this trap-emotion occasionally. Always remember your plan.
#planwithcolin

What the sentence above means is that investors can buy when others are selling and do not buy when others are doing so.

Equity performance has two components, behavioural (market sentiment) and business operation.

Taking advantage of others' emotions is one part, investors also need to choose the business that is profitable. For example, there is huge sell-off during this period. Investors can choose to buy while others are dumping, but he has to be sure these businesses can recover.​​​