private static void Stocj_PriceChanched(object sender, PriceChanchedEventArgs e)
{
if ((e.NewPrice - e.LastPrice) / e.LastPrice > 0.1M)
{
Console.WriteLine("Alert, 10% stock increase");
}
}
protected virtual void OnPriceChanched(PriceChanchedEventArgs e)
{
PriceChanched?.Invoke(this, e);
}
