FROM Terrance Odean
Knight Capital and High Speed Trading on Wall Street The Wall Street market maker Knight Capital is back in business today, at a much-reduced value, despite the chaos caused by a computer malfunction last week. This latest incident reveals how computerized algorithms control the financial markets. What's their role in retail customer service — and choosing the next pop music star?
Algorithms on Wall Street and in the Rest of Our Lives Knight Capital is a so-called "market maker," using high-speed computers to keep Wall Street fair and orderly. Last week it created chaos instead. It's the latest in a series of computer malfunctions that are giving some investors the jitters by trading stocks faster than the human brain can function. Have the benefits of fast trading reached their limits? What's the role of computer algorithms in other parts of our lives? You may be surprised.
100 days of executive action: Accomplishment or posturing? President Trump's first 100 days have featured a flood of high-profile executive orders. Which ones do what he says they do, and which ones don't? How are Trump voters feeling now?
Truth and Lies in Trumpland Donald Trump is using mis-information like no President has before him. It's an unprecedented challenge to the news media, and a potential threat to democracy. We hear how the "leader of all the people" is dividing Americans and confusing the rest of the world.
Why Don't Facts Matter? "Fake News" may have a long history, but social media and 21st Century politics have brought it front and center. One reason for its appeal and its power is the tendency of so many people to cling to their beliefs — even when confronted with contradictory evidence. Today, another look at the Emotional States of America.