How do you find the best niche market?

Imput, list of niche market ideas, market news today, stocks today, in the search engine below, get more fast and specific results about this topic..

https://cse.google.com/cse/home?cx=011862479344412995711:rqd2uvbhvxq&hl=en

Buy share markets, market news, stock market report, list of popular niche markets, information below at Amazon

https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=how+to+have+good+credit