As the name implies, micro investing is investing in super small increments by buying fractions of shares. And it's been gaining in popularity in recent years with micro-investing apps (like Acorns) allowing people to start investing with as little as $5Micro investing is an application with a small capital, this investment model is primarily aimed at novice investors or millennials, which is easy to understand and easy to use and fun, allowing investors to earn passive income. Now many micro investment applications have emerged such as: Stash, Acorns, Robinhood, Stockpile, Betterment etc. So what do you think is the micro application safe and reliable (not a scam)