The technology is still in its developmental stages, and the prices fluctuate quite a bit.
The companies are willing to invest in Ethereum (and by extension, Ether) due to its wide application in contractual and business fields. It currently seems to be on the rise, so investing in Ethereum right now would result in good gains for the future.
Ether can be used to buy Bitcoin and other cryptocurrencies, and even if one does not employ the use of the non-financial aspects of Ethereum, simply trading with ETH cryptocurrency is also a good investment.
As a number of companies and applications are soon expected to use Ethereum, they will accept the ETH token as a form of payment, much like in a way BTC is used.
Now you can easily trade Ethereum with CoinSwitch company they provide best exchange rates, without even creating any other accounts exchange.