The best overall stock trading app experience comes from TD Ameritrade, one of the largest brokerage firms in the country.TD Ameritrade actually offers multiple mobile apps depending on your needs. First, the basic TD Ameritrade Mobile app gives you much of the power you have on your desktop stock trading app in a mobile experience for iOS, Android, and Windows phones. Ranking of Top 50 Best Stock Markets Worldwide (2017 ... The Philippine Stock Exchange (PSE) secured the 17th spot in the list of the Top 50 best performing stock markets worldwide after locking in gains of 25.11% in the full-year 2017.. The 25.11% return means a P100,000 investment made in the PSE index (PSEi) from January to December last year would be worth P125,110 by the end of the year.