EDGE on the Net

The stock market turned higher Tuesday as investors banked on continued policy support from the Federal Reserve. Two big retailers also topped Wall Street expectations for the most recent quarter.

CBS News’ Ben Tracy reports on an inventor whose idea for an artificial limb design was borne out of his own experience losing his lower leg in a sporting accident.

Yahoo is buying online blogging forum Tumblr for $1.1 billion as CEO Marissa Mayer tries to rejuvenate an Internet pioneer that had fallen behind the times.

The stock market is edging higher in midday trading, led by small-company shares.

Despite its disappointing stock market performance, Facebook has delivered strong financial results. Net income increased 7 percent to $219 million in the most recent quarter, compared with the previous year. Revenue was up 38 percent to $1.46 billion.

Consumer spending is likely to pick up this year, while government spending declines at a faster rate, according to a survey of business economists.

The price of silver was the standout mover in financial markets Monday as it took a hammering for the second trading session in a row, even as stocks remained relatively solid amid hopes over the U.S. economy.

Bloomberg LP, the financial news and information service, says it’s appointing Samuel Palmisano, the former CEO of IBM, as an independent advisor on its privacy and data standards.

The organic food industry is gaining influence on Capitol Hill, prompted by its entry into traditional farm states and by increasing consumer demand.

Encouraging news about the U.S. economy helped push stock prices higher on Wall Street Friday.