THE MARKETS: Market Place; Citigroup Names New President Amid Talk of More Acquisitions
Citigroup names Robert B Willumstad president, position unfilled since departure of James Dimon in November 1998; move comes amid talk that chief executive Sanford I Weill is preparing to make more acquisitions; analysts say appointment appears to place Willumstad as leading candidate to succeed Weill and reinforces importance of consumer operation, which accounts for half of Citigroup's profits; FleetBoston Financial is seen as potential takeover target; Fleet spokesman James Mahoney denies that merge is in works; photo (Market Place column) (M)
