Stocks see their biggest spike of the year Tuesday, on positive news from Citigroup.

The Dow closes up nearly 400 points– close to 6%– after the banking giant says it’s having its best quarter since 2007.

NY Times: “Investors got a taste of what they desperately crave: a glimmer of optimism in the financial sector.”

Bloomberg: News spurred “speculation the worst of the banking crisis is over.”

TIME’s Justin Fox: Extra! Citigroup may be profitable!