Some of them yes some not, just when i though i can make little profit yesterday the price of coin im holding go down rapidly 
choose wisely mate that all i can say
choose wisely mate that all i can sayYep not every altcoin does really have show their potential this year but it was a good news for all ethereium coin holders because it already reached 1k dollar. Ico's will also increase the value of their tokens since the market is pumping eth coins value. I think that eth coins does really have the potential to surpass bitcoins in the future.