There are several crypto investment online like in the social media but most of them are risky and smells of scam. Trading is also high risk but can give you high return. Trading need skills and knowledge in order to survive and finally make profits. Investing in good ICO can also give you high return but you must research them first before joining.
One alternative, if you have a patience, is to hodl your bitcoin for long term until the price grow. Or you can convert your bitcoin to fiat and invest in offline business instead. Online investments are security risk and you need to secure you bitcoin first from would be hackers.