Company: Companies

Tiffany & Co. lowered its fiscal-year sales and profit forecasts on Thursday, citing slowing economic growth in many countries and weakness in its home U.S. market, while rival Signet Jewelers also issued a disappointing forecast.

Costco Wholesale posted a higher quarterly profit on an 8 percent increase in net sales.

British luxury brand Burberry posted a 26 percent jump in profit as expected and said it would invest up to 200 million pounds ($316 million) in new outlets and expanding existing stores in London, Chicago and Hong Kong.

Best Buy reported better-than-expected quarterly results, boosted by a lower tax rate and an extra week compared with a year earlier, as the world's largest consumer electronics chain closes stores and searches for a new chief executive.

Vodafone lowered a medium-term sales growth target for revenue growth on Tuesday as consumers in southern Europe slashed spending and regulators upped the pressure on the world's largest mobile operator.

Bellwether British retailer Marks & Spencer posted a 1.2 percent fall in full-year profit, its first decline in three years, as even its relatively older and more affluent customers were touched by the economic downturn.

Best Buy's board has hired Spencer Stuart to help it find its next chief executive following the resignation of former CEO Brian Dunn.

The oil-exploration company reduced the compensation for its outside directors by 20 percent and eliminated their use of its aircraft for personal travel, the company said Friday.

Winnebago confirmed that it has received a takeover bid from North Street Capital of $11 per share. The company's shares were halted on Friday after surging in pre-market trade.

Benmosche acknowledged this request in an interview with CNBC’s Mary Thompson after Wednesday’s annual meeting. Benmosche has been battling cancer, and had agreed to stay to the end of this year. Now he’s ready to stay longer.

Canadian Pacific Railway's CEO Fred Green resigned on Thursday, handing activist shareholder William Ackman a victory after a bruising proxy battle for control of Canada's second biggest railroad.

The world's biggest retailer reported improved quarterly earnings and revenue on Thursday, topping Wall Street analysts' targets, as its Wal-Mart U.S. division showed a 2.6 percent rise in sales at stores open at least a year.

Sears Holdings returned to a first-quarter profit, benefiting from a gain on the sale of some stores.

General Electric's finance arm will resume its quarterly dividend to the parent company and pay the largest U.S. conglomerate a $4.5 billion special dividend this year.

The company posted higher quarterly earnings that topped estimates on Wednesday and raised its full-year outlook on rising global demand for farm equipment.