public StockViewModel()
 {
     listStock = new List <Stock>();
     listStock.Add(new Stock("Petrobras PETR3", "PETR3"));
     listStock.Add(new Stock("Petrobras PETR4", "PETR4"));
     listStock.Add(new Stock("Rodrigo", "RODR"));
     UpdateCommand = new StockUpdateCommand(this);
 }
 public async Task <IActionResult> StockUpdateAsync([FromBody] StockUpdateCommand stockUpdateCommand)
 => base.Ok(await mediator.Send <IStockDTO>(stockUpdateCommand));