Bob Moon

High-speed computers dominate stock trading. But they cancel so many transactions that the SEC wants to fine them for “speeding.”

Walmart boosted U.S. sales in the latest quarter, but shoppers were drawn to lower-priced products and that hit profit margins.

Parts of the broadcast spectrum will be auctioned off to help cover the costs of the payroll tax cut and extended long-term unemployment benefits. Even a sliver of spectrum could bring a big chunk of cash.

General Motors is the latest company to post profits that “fell short of analysts’ estimates.” Who sets these expectations and how valid are they?

U.S. factories boosted their output in January, and experts like Harvard's Willy Shih see that as a positive sign.

According to the Census Bureau, retail sales growth in January was about half what was expected.

Apple’s big rally in the past six months has vaulted it into a small club of $500 stocks. Some analysts say it’s still cheap. Does price matter?

Sunday the Greek parliament votes on whether or not to accept another round of deep cuts.

With a $172 billion bailout in place, Greeks' futures are looking austere.

With investors feeling emboldened by a strengthening world economy, markets have steadily climbed since October.