Two Marines were killed in a "sustained attack" on a joint US/UK base in Helmund Province, Afghanistan as the newly deployed Prince Harry was the possible target.
President Obama, Vice-President Biden and Secretary Clinton were on hand as the four Americans killed in Libya on Tuesday were flown home to Joint Base Andrews.
New attacks on US embassies in Tunisia and Sudan rattled already high tensions at American diplomatic compounds across the globe on Friday.
The Dow hit its highest level since before the 2008 recession began as markets rallied further on the Fed's newest qualitative easing program.
Intel is working on its latest series of processors, the Rosepoint chips will have two Atom processors and a WiFi radio built in.