Welcome to CapBiz A.M., your morning primer on business news with a focus on Washington.

Down to three: The General Services Administration on Tuesday narrowed the list of possible locations for the FBI’s planned 2.1-million-square-foot new headquarters. Here are the three sites still in the running. (CAPBIZ)

Lodging lift: Marriott International’s profits climbed 7 percent to $192 million during the second quarter, buoyed by strong demand for rooms during a certain international sporting event. Unfortunately, the same cannot be said for the demand for rooms in this area. (CAPBIZ)

Contracting contraction: Corporate Executive Board, based in Arlington, posted modest revenue gains in the second quarter. However, struggles in the government contracting arena pushed the firm to a net loss. (WBJ)

Buying power: Wes Bush, chief executive of Northrop Grumman, this week shared steps he thinks federal officials should take to improve their acquisition process. (CAPBIZ)

Holstered, for now: A federal judge has put on hold his decision invalidating D.C.’s ban on carrying handguns in public places, giving city officials time to respond to the ruling. Businesses, meanwhile, are already responding. (WP)

Cheers to that: New research released by the Beer Institute reveals that no state or district consumes more wine per capita than Washington, D.C. – in fact, it’s hardly even a contest. (WP)

Inching along: On the housing front, the good news is that home prices are still rising in the D.C. area. The bad news is that those gains are happening at a slower pace than in most other U.S. cities. (WBJ)

Don’t look at us: The National Labor Relations Board has determined that McDonald’s should share responsibility with its franchisees for improving working conditions. McDonald’s adamantly disagrees. (Trib)

Don’t nix us: The president of the embattled Export Import Bank, which helps U.S. firms sell their goods overseas, on Tuesday reiterated the importance of his agency as lawmakers consider getting rid of it altogether. (TheHill)

On Wall Street

Stocks slid lower on Tuesday after the United States and European Union expanded sanctions against Russia. Twitter was one of the lone bright spots on the day, reporting that revenue more doubled in the second quarter. (Get the latest updates here)

What’s on tap today

MBA purchase applications (7:00 a.m)

ADP employment report (8:15 a.m.)

Second quarter GDP report (8:30 a.m.)

Minority Business Roundtable CEO Business Summit (8:00 a.m.)

Help: How to come out ahead in the world of office politics (INC)

Follow: Northrop Grumman

Extra: Don’t think you and your boss are on the same page? You’re probably right. (WP)

Thoughts? Have feedback, tips or events we should know about? E-mail us here.