Wall Street Roundup: Nasdaq seeking NYSE. Elizabeth Warren’s new mission.

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Gold: Trading now at $1,388 per ounce, down 2.6% from Monday. Dow Jones industrial average: Trading now at 11,769.06, down 1.9% from Monday.

Global stock fears. Indexes around the world were heading down on Tuesday due to fears about the Japanese nuclear crisis and unrest in the Middle East.

Nasdaq seeking NYSE. Nasdaq is putting together financing to put in a bid for the New York Stock Exchange, but many roadblocks are still in the way.

Warren’s new mission. The leader of the new Consumer Financial Protection Bureau, Elizabeth Warren, is trying to engender better relations with banks after developing a reputation for antagonizing them.

Delaying debit card rule. Congress is planning to delay a new rule that would cut the fees that credit card companies can charge retailers.

-- Nathaniel Popper