Despite macroeconomic uncertainty, networking giant Cisco Systems (NASDAQ:CSCO) expects to grow revenue during its fiscal third quarter, results for which will be announced on Wednesday. Weakness in Cisco's fast-growing data center segment during the second quarter was concerning, but the company expects this to be a temporary issue. The security business is still growing fast, with Cisco aiming to become a diversified provider of security solutions.

Customer relationship management (CRM) software provider Salesforce.com (NYSE:CRM) will also report results on Wednesday. The company continues to grow rapidly and produce plenty of free cash flow, but Salesforce's GAAP earnings remain essentially non-existent. Free cash flow is far from perfect, and Salesforce will eventually need to prove to investors that it can produce consistent profits.

Following some terrible results from fellow retailers, Wal-Mart Stores (NYSE:WMT) will report its first-quarter numbers on Thursday. Earnings will take a hit due to higher wages and investments in training and e-commerce, but Wal-Mart does expect to grow comparable sales in the United States. One of Wal-Mart's e-commerce initiatives, online grocery ordering and pickup, looks particularly promising.

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