How Computers Have Transformed the Stock Market

Floor traders vs. the rise of computers

"This is an example of potential operational risk. Again how can one trade, or a series of trades, influence a global market?" says Williams, author of the just-published book, "Uncontrolled Risk: The Lessons of Lehman Brothers and How Systemic Risk Can Still Bring Down the World Financial System." "This speaks to weakness in this overall system," he says.

World Stocks Slide on Greece, Dow Collapse

May 07, 2010 — World stocks were sliding Friday following Wall Street's plunge the day before, and on continuing fears over the state of Greek finances and fresh worries over the U.K. election. European shares recovered slightly ahead of U.S. jobs data. (May 7)

Barratt Says Oil May Fall to $75 a Barrel on Weak Demand

May 5 (Bloomberg) -- Jonathan Barratt, managing director at Commodity Broking Services Pty, talks with Bloomberg's Linzie Janis about the outlook for oil prices and demand. Speaking in Sydney, Barratt also discusses the future of U.S. offshore drilling following BP Plc's oil spill in the Gulf of Mexico.