By Bret Kenwell FedEx stock is getting hit after an update from management. Here’s the scenario on the chart. FedEx (FDX) – Get FedEx Corporation Report stock is seeing one of its largest one-day drops in decades, with the shares down more than 22% at last check. The stock is getting decimated after an update from the Memphis package-delivery giant. Its preliminary first-quarter results and profit warning are quite the disappointment for investors. The company said it saw its fiscal-first-quarter earnings coming in near $3.44 a share, missing consensus estimates of $5.14 a share. Management al…