— Oct. 25: Apple Inc. warns that profits will be down in the holiday quarter compared with a year ago because it's releasing so many new products. When a production line is new, it costs more to run and the components are more expensive.
— Oct. 26: Strong sales of Galaxy phones propelled Samsung Electronics Co.'s quarterly profit to a record high, but there's concern its growth will slow in an increasingly crowded smartphone market.
Microsoft Corp. begins selling its Windows 8 operating system and Surface tablet computer.
— Oct. 31: Hard drive maker Seagate Technology PLC says net income jumped as its expenses decreased and its revenue rose after it bought Samsung's hard drive business.
— Nov. 2: IDC says Google's Android software for mobile devices was running on 75 percent of smartphones shipped in the third quarter, as the search company extended its lead over Apple.
— Nov. 5: IDC says Apple's share of the market for tablet computers fell to 50 percent in the third quarter as the iPad faced more competition from Android devices such as Samsung's Galaxy tablets and Google's Nexus 7. Apple still had a solid lead and shipped more iPads worldwide than a year earlier.
IHS iSuppli releases analysis showing that Microsoft and Apple are garnering the highest-profit margins for their tablets, followed by Google and then Amazon.
— Nov. 7: Qualcomm Inc. says net income surged 20 percent, as the company's mobile phone shipments increased, driving revenue higher.
— Nov. 8: Nvidia Corp. says earnings climbed 17 percent as the rapidly growing smartphone and tablet computer markets fueled demand for its graphic processing chips.
— Nov. 15: Dell Inc. reports numbers that were slightly worse than analysts expected, even though investors were already bracing for a dismal quarter. In the latest quarter, revenue in Dell's mobility division fell by 9 percent from the same time last year, while desktop computer sales decreased by 8 percent.
— Nov. 20: Hewlett-Packard Co. says revenue in its PC division fell 14 percent — with revenue from commercial products down 13 percent and consumer products down 16 percent. Revenue in its printers division fell 5 percent.
Cloud computing company Salesforce.com Inc. says its third-quarter loss widened due largely to a hefty income-tax charge, but its revenue grew 35 percent and adjusted earnings topped Wall Street's expectations.
— Nov. 28: Microsoft says about 40 million licenses to Windows 8 were sold in its first month on the market, though that number includes licenses bought by PC manufacturers for machines built but not yet sold. Microsoft didn't provide further details beyond saying that Windows 8 is being embraced by a list of companies that include Johnson & Johnson, British Telecom and Bank of America Corp.
— Nov. 29: NPD Group says sales of personal computers in the U.S. didn't get any boost from the launch of Windows 8. There's no sign that Windows 8 made things worse for PC makers. Rather, NPD says the weak sales are a continuation of a trend seen throughout this year.
— Tuesday: Results from Oracle Corp.'s latest quarter demonstrate that companies have been splurging on software and other technology as the year comes to a close, despite uncertainty about the economy's prospects. The results are an improvement from Oracle's previous quarter, when the business-software maker's revenue dipped slightly from a year earlier.