As the working week drew to a close in Frankfurt, <-bsp-bb-link state="{"bbHref":"bbg://securities/DBK%20GY%20Equity/GP","_id":"0000018f-28d1-d583-afbf-eadd87c10000","_type":"0000016b-944a-dc2b-ab6b-d57ba1cc0000"}">Deutsche Bank AG-bsp-bb-link>’s <-bsp-person state="{"_id":"0000018f-28d1-d583-afbf-eadd87c10001","_type":"00000160-6f41-dae1-adf0-6ff519590003"}">Christian Sewing-bsp-person> was on a roll. Upbeat first-quarter earnings had sent the lender’s shares to the highest level since 2017, bolstering a perception that the firm had finally shaken off its scandal-prone past.