Reuters - New York Attorney General Andrew Cuomo filed a civil lawsuit on Thursday against UBS AG , accusing the Swiss bank of deceptively steering customers into auction-rate securities that this year became impossible to sell amid the credit crunch.

Reuters - Microsoft Corp will announce plans to expand its relationship with online social network Facebook to provide web search and search advertising, a source familiar with the matter said on Thursday.

Reuters - New York Attorney General Andrew Cuomo filed a civil lawsuit on Thursday against UBS AG , accusing the Swiss bank of deceptively steering customers into auction-rate securities that this year became impossible to cash out of amid the credit crunch.

Reuters - The U.S. Commodity Futures Trading Commission on Thursday charged global trading fund Optiver Holding BV with manipulating the NYMEX oil market in March 2007.

Reuters - Stocks slid on Thursday as major earnings disappointed, oil prices halted their decline and data showing weakness in the economy added to concerns about the profit outlook.

Reuters - Dow Chemical Co posted second-quarter earnings that fell short of market expectations as its price increases did not completely offset a sharp spike in energy and raw material costs.

Reuters - Jobless claims jumped last week and the pace of existing home sales tumbled to a 10-year low as slowing growth hit hiring and a glut of unsold homes weighed on the real estate market, data on Thursday showed.

Reuters - Existing home sales fell more sharply than forecast in June and dragged the annual sales pace to a 10-year low, the National Association of Realtors said on Thursday.

Reuters - Stock extended losses on Thursday following a report that showed a steeper-than-expected drop in existing-home sales in June, heightening concern about the impact of the housing slump on economic growth.

Reuters - Ford Motor Co posted a $8.7 billion quarterly loss on Thursday as it wrote down the value of truck and SUV operations and cautioned that it did not expect to see a U.S. economic turnaround until 2010.