Sleep well at night would be first on the list, investing has an ever apparent flaw of not allowing the investor to sleep well at night once a position goes south, the more money being managed the hig
Trading in the basic sense is just buying $1 dollar in hope of having some other trader buy it for $1.10 from you but the product value is not as transparent as the dollar. Companies can be overvalue
The difference is slight , I'm not talking about being the first investor in the company as leading the market, leading the market and following the market usually has a difference of 1 day to few mon