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.
Investors who buy ETH when prices at the position of USD 70 certainly now smile happily because the price today has reached USD 169, meaning that profits have been earned.
For the future ETH prices have the potential to continue to rise, bull markets have come. Investors must be prepared to anticipate rising prices by increasing capital so that large profits can be enjoyed.