Now many people prefer to invest money in projects in the early stages of development.
The demand for such investment is so high that appear projects that suggest investing in the seed and presale stages of different prospective projects to have the maximum profit.
This article describes such projects and investment in them -
https://medium.com/@CFS_Protocol/crypto-fund-syndicate-cfs-protocol-ead595f0b1dfUsually, investors buy that altcoin that grows more actively.
But very often such altcoins are very unstable. After big growth there is a correction in the price.
It is very important to buy and the altcoin at the right moment.
Now altcoins grow in price even more than Bitcoin that is why there is a big demand in altcoins.
But when cryptocurrency market falls altcoins fall more then Bitcoin.
The most important for altcoins is to be useful for people.