Tyco Electronics Cuts Q4 GAAP EPS Guidance; Affirms Q4 Revenue And Adjusted EPS Guidance; Announces Definitive Agreement To Sell Mechatronics Business Engineered electronic component maker Tyco Electronics Ltd., Tuesday said it now expects fourth quarter GAAP earnings below its previously estimated range, however maintained its adjusted earnings outlook, as well as revenue guidance. Additionally, the company said it was selling its mechatronics business. Altera Boosts Q3 Revenue Outlook Programmable chipmaker Altera Corp. raised its third quarter sales-growth forecast from the previously projected levels, based on its quarter-to-date results and its outlook for the remainder of the quarter. The company said it now expects third quarter revenue to grow 10% to 14% sequentially, hinting that third quarter sales would be between $516.23 million and $535.002 million. HP Sues Ex-CEO Hurd Over His New Employment At Oracle Computer and printer maker Hewlett-Packard Co. is suing its former chief executive officer Mark Hurd for breach of contract and threatened misappropriation of trade secrets following Hurd's decision to join business software maker Oracle Corp. as co-president and a director. Wall Street Sees Notable Losses To Open Shortened Week Stocks fell by sharp margins to open the Labor Day-shortened week on Tuesday, as profit taking following last week's gains drove the major averages down off of their best closing levels in three weeks. Nonetheless, the pullback came on low volume, with many traders staying away from their desks following the three-day weekend. The major averages saw some late-day volatility, ending near their session lows. Chicago Mayor Daley Won't Run In 2011, Emanuel May Seek Position Chicago Mayor Richard M. Daley announced Tuesday that he will not seek another term in office, touching off a potential power struggle in Windy City politics that could involve the White House. Daley, who was first elected mayor in 1989 and handily won reelection every time since, often with little opposition, said that the decision not to seek reelection was personal, according to local media reports.