Investors looking to make money in commodities can buy futures contracts on all kinds of things, such as gold, currencies, wheat. One futures contract investors can't buy is diamonds. But as Alisa Roth reports, some people would like to change that.
Grocery giant Tesco is trying to succeed in the U.S., where many of its fellow British companies have failed. It opens five stores across Southern California this week. Stephen Beard reports on whether the company can break Britain's retail losing streak.
Google announced today it is developing a free cell-phone software package so it can more
easily put ads and services before the eyeballs of people who aren't in front of a PC. The Wall Street Journal's Kevin Delaney talked about it with Kai Ryssdal.
Helium is the second-most abundant element in the universe. But here on Planet Earth the gas is getting harder to come by. A worldwide helium shortage is affecting everything from the party industry to medicine. Amy Scott reports.
PetroChina's IPO turned into a gusher today, making it the first company in the history of the world worth more than $1 trillion. But some analysts say the oil giant's market valuation is artifically high. Bob Moon reports.
Citigroup says it could face as much as $11 billion more in losses -- after it took almost $6 billion in write-offs last month. Former Treasury Secretary Robert Rubin has been elevated to chairman to fix things. But what will happen to its retail banking business? Jill Barshay reports.
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