public InvestorDepot Login(InvestorRegistration r, string exchangeId)
{
email = r.Email;
client.SubscribeOnNewShareInformationAvailable(exchangeId);
client.SubscribeOnNewOrderAvailable(exchangeId);
client.SubscribeOnNewTransactionAvailable(exchangeId);
client.SubscribeOnNewInvestorDepotAvailable(exchangeId);
return(client.LoginInvestor(r, exchangeId));
}