This year witnessed the entry into the index of several private-education providers, an area that has been under scrutiny by the administration of Barack Obama, as well as medical firms worried about the myriad loose ends to be tied up in Mr Obama's health-care plan.
"I would be surprised if it's that's much, and quite worried as well, " says Mr. Shaw.
Just as well, perhaps: some analysts are worried that the supply of houses is starting to outstrip effective demand.
ECONOMIST: Laying the foundations of a property-owning democracy
Other ETFs do as well, yet some in the market have worried about whether there might be other unknown commitments on the metal, such as collateral or leases.
FORBES: FOCUS: Proposed Van Eck Gold, Silver ETFs Would Allow Redemptions Of Metal
There's good news for businesses worried about security in their offices as well as on their computers.
But every member of the House, Republican as well as Democrat, faces the potential wrath of elderly voters worried about a cut in their benefits.
China could have a constructive role to play as regional economic power, surrounded by worried and well-armed Taiwan, Russia, Japan, Pakistan and India.
Both villages had received some help from local charities and the army, but villagers were worried about the hundreds of young children, as well as the widows and others who found it hard to travel to relief-distribution points lower down the valley.
ECONOMIST: Many survivors of October's earthquake are still at risk
Outside the apartment building where Ms. Byrd lived with Mr. McLean, as well as his 5-year-old son and girlfriend, neighbors huddled together and worried about their missing neighbor on Tuesday, before she was identified as by police as the victim.
Amid the domestic tightening on the monetary policy side meaning higher interest rates and higher bank reserve requirements as well as weakening external demand thanks to European and American importers, investors have been increasingly worried about the potential sharp slowdown of GDP growth in China in 2012.
But some US networks and cable and satellite companies are worried about what it means for them in terms of advertising revenues as well as "brand identity" and viewer loyalty to channels.
BBC: NEWS | Technology | TV's future in the hands of viewers
Right now, investors are worried that clinical trials are being made bigger because Genasense is not working as well as was expected.
Some are worried that this set-up is hampering investment in the region, as well as causing problems for cross-border industries such as car manufacturing.
Minister of Interior Lotfi Ben Jeddou told worried lawmakers on Wednesday that "certain terrorists" in the Jebel Chaambi region as well as al-Kef had come up from northern Mali.
With growing unease surrounding the culture of mass personal data gathering, privacy watchdogs are worried the databases could become easy targets for government surveillance, identity theft and online scams, as well as marketing.
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