Like Gucci handbags and Levi's jeans before them, the popular smartphones are easily traded at a premium in countries where they're harder to come by.
With the black market website back in business, the virtual currency gets a boost.
Prices rebound with the euro, clawing back from session lows on hopes that Greece can pare some of its debt through a bond swap deal.
Prices rally as investors cheer a more binding fiscal agreement among 25 EU nations.
Prices feel the pressure of a stronger US dollar, which was rallying against the euro after a Greece debt deal fell through.
Prices continue to fall on weakening demand in China and India.
A rally in the US currency punishes metal prices.
VIDEO ON MSN MONEY
Copyright © 2014 Microsoft. All rights reserved.
As the market wades through what many people hope is a sixth bull year, some have grown nervous about how long the run can go.
The Market Dispatches column has been discontinued. Here's where to find the latest stock and business news on MSN Money, and the latest from market writer Charley Blaine.
MONEY & POLITICS
Breaking up big banks is an untested solution to the too big to fail problem that attempts to isolate and dismantle large, troubled institutions while protecting the rest of the economy.
As fears rise over costs and higher tuition, some law schools advertise their own plans to cover loan replacements.
In a tax case, a US judge ruled that the agency's published guidelines don't hold up in court.
MUST-SEE ON MSN
A charcuterie master shares his process for cold-smoking meat at home.
- Jetpacks about to go mainstream
- Weird things covered by home insurance
- Bing: 70 percent of adults report 'digital eye strain'