I now have $ 500 in capital. Is this the right time to hold the coin. and what kind of coin should I hold? I need some advice now, Because according to my judgment this will be the momentum for altcoin to explode in the end of 2018
yes it is, holding a coin is the best and wisest decision you will be made in bear market, if you plan to invest and hold some coins, this is a good start for you. just follow your intuition, if you think this will be the start for altcoins to explode in the end of 2018, then that's good.