Since then, rising gasoline prices have stoked worries.
That increase early in the year stoked worries among economists that improvement in the job market was stalling.
Such criticism stokes worries about a new law giving the state the right to buy struggling firms.
The relaxed clubiness of the paraffin conspirators stokes worries about the hold that price-fixing cartels have on European commerce.
The Marikana strike has stoked worries about investing in Africa's biggest economy, where chronic unemployment and income disparities threaten stability.
Authorities have not revealed how many dollars are being sold through the new exchange, stoking worries that there is simply not enough foreign currency available to meet demand.
They describe Kosovo as a "war of choice," which "stoked worries among allies and adversaries alike about the overwhelming nature of American capabilities" and its global ambitions.
Several months of drier-than-usual weather have parched farmland and cut water reserves in France and Germany, two key grain producers in Europe, stoking worries of a drought similar to that experienced in 1976 and fueling concern for the final harvests.
Meanwhile, the dispute has put Greece's credit rating under renewed threat, and stoked worries that Greek government bonds might no longer be accepted as collateral by the European Central Bank.
