Investors were clearly unimpressed by the company's third-quarter performance.A fresh quarterly earnings report was the news that affected Western Union's (WU -3.38%) share price on Thursday. Unfortunately, that effect was negative, as investors traded out of the stock to leave it with a more than 3% loss in price. This was on a day when the bellwether S&P 500 index grew, albeit marginally, at a 0.2% pace.Two beats in the third quarterWestern Union's third quarter results actually crossed the wires after ma ...