The FAA on Sunday began furloughing its air-traffic controllers for one day every 10 work days to meet its required cuts under the sequester, forcing some understaffed control towers to hold aircraft at airports or increase space between airborne planes.
Gold pulled back from overnight highs on Wednesday when U.S. equities fell sharply, with one trader at the time suggesting some participants were selling to book profits in gold to meet margin calls in other markets.
In two new studies, the device did not meet the main goal of lowering the risk of repeat strokes in people who had already suffered one, but some doctors were encouraged by other results.