What Happened? Shares of medical technology company Teleflex (NYSE:TFX) fell 15.5% in the morning session after the company reported underwhelming earnings. The medical technology firm's operating margin collapsed to negative 44.8%, a stark reversal from the positive 19.5% margin recorded in the same quarter a year ago. This dramatic 64.3 percentage point drop indicated that the company’s expenses grew much faster than its revenue. Adding to the concerns, Teleflex's cash generation also weakened significa ...