Monday’s After Hours Market Movers

These companies were brewing up a stir in after hours trades today, read on to see who was up and who was down.

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1) RenRen (NYSE:RENN) stocks of the Chinese social networking leader continue to show green after hours (up 1.52%) after posting big gains (8.11%) in trading today. The gains come as the company is slated to release its first quarter earnings this evening, and investors seem optimistic on the reports’ outlook. Competitors to Watch: Amazon.com, Inc. (NASDAQ:AMZN), eBay Inc. (NASDAQ:EBAY), Mecox Lane Limited ADR (NASDAQ:MCOX),Youku.com(NYSE:YOKU), Liquidity Services, Inc. (NASDAQ:LQDT), Gaiam, Inc. (NASDAQ:GAIA), PC Connection, Inc. (NASDAQ:PCCC), PC Mall, Inc. (NASDAQ:MALL) and Changyou.com (NASDAQ:CYOU).

2) Microsoft (NASDAQ:MSFT) stock also continues to extend the days gains in after-hours moves, up .16% so far this afternoon. Good news for the company made headlines today as plans were unveiled regarding the release of “Office 360” Microsoft’s cloud-based document software, which will be discussed in detail via a web-cast by Steve Ballmer tomorrow morning. Competitors to Watch: Google Inc. (NASDAQ:GOOG), Novell, Inc. (NASDAQ:NOVL), Oracle Corporation (NASDAQ:ORCL), Intl. Business Machines Corp. (NYSE:IBM), Hewlett-Packard Company (NYSE:HPQ), Yahoo! Inc. (NASDAQ:YHOO), Apple Inc. (NASDAQ:AAPL), Adobe Systems Incorporated (NASDAQ:ADBE), Intel Corporation (NASDAQ:INTC), and Sony Corporation (NYSE:SNE).

3) Caterpillar (NYSE:CAT) shares up slightly  (+.12%) after hours following a strong day for the construction and mining equipment supplier. The sector today was abound with good news, and Caterpillar contributed its share with an upbeat earnings outlook. Competitors to Watch: Deere & Company (NYSE:DE), General Electric Company (NYSE:GE), Astec Industries, Inc. (NASDAQ:ASTE), Columbus McKinnon Corp. (NASDAQ:CMCO), Manitowoc Company, Inc. (NYSE:MTW), Cummins Inc. (NYSE:CMI), CNH Global N.V. (NYSE:CNH), Navistar Intl. Corp. (NYSE:NAV), Terex Corporation (NYSE:TEX), and Lindsay Corporation (NYSE:LNN).

4) Guess Inc. (NYSE:GES) trading flat after hours following a strong day (up 1.5%). News broke that Chairman Maurice Marciano plans to step down as CEO in 2012, but will stay with the company in an important advisory role. Competitors to Watch: Liz Claiborne, Inc. (NYSE:LIZ), The Wet Seal, Inc. (NASDAQ:WTSLA), Express, Inc. (NYSE:EXPR), Destination Maternity Corp. (NASDAQ:DEST), The Cato Corporation (NYSE:CATO), bebe stores, inc. (NASDAQ:BEBE), Cache, Inc. (NASDAQ:CACH), Carter’s, Inc. (NYSE:CRI), The Talbots, Inc. (NYSE:TLB), and Ascena Retail Group Inc (NASDAQ:ASNA).

5) Boeing (NYSE:BA) shares of the aircraft maker were down .64% after hours, surprisingly, as the company locked up several multi-billion dollar deals through its exhibitions at the Paris air show this morning. Notably, Boeing lost an important deal with Asian carriers to competitor Airbus that totaled $17 billion dollars. Competitors to Watch: Lockheed Martin Corp. (NYSE:LMT), Embraer SA (NYSE:ERJ), Raytheon Company (NYSE:RTN), Northrop Grumman Corp. (NYSE:NOC), General Electric (NYSE:GE), Honeywell Intl. Inc. (NYSE:HON), Spirit AeroSystems Hldgs., Inc. (NYSE:SPR), General Dynamics Corp. (NYSE:GD), Orbital Sciences Corp. (NYSE:ORB), Alliant Techsystems Inc. (NYSE:ATK), and Rockwell Collins, Inc. (NYSE:COL).

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