JPMorgan hands promotion to possible Jamie Dimon successor Marianne Lake
1. Marianne Lake promoted, seen as Dimon's potential successor. 2. Dimon reassures retirement is several years away, boosting leadership stability. 3. Lake's role expansion indicates JPM's focus on overseas consumer growth. 4. Dimon remains influential, leading JPM through significant investments and changes. 5. Speculation on Dimon's future may impact JPM stock sentiment.