Citi to raise extra $3bn, stock falls

``Citigroup has tapped the capital markets for the second time in nine days, launching a $3bn equity offering to bolster its balance sheet and capitalise on investor appetite for battered financial stocks. Citi’s move, which follows last week’s issuance of $6bn in preferred shares, sent its stock down more than 3% in after-hours trading amid investor worries that the new offering will dilute holdings.'' -- "Worries"???