Ethereum has already suffered similar market situation with the price going low to $100 and reaching close to $70. Users who have bought trusting the growth of ethereum by that time could've got back the profit, furthermore can expect good levels of sustained growth in a gradual manner.
But now the market is trying to get back up, so is Ethereum. Even though the increase occurred only slowly, but it was enough to make all the panic that occurred in the market become more eased and even the trust of investors began to rise again.
At least after the update of Constantinople, we see real changes, because in the network the ethereum began to conduct transactions much faster, and also their price dropped significantly. As the ethereum team stated, Constantinople This is only the basis for further development.