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Here are some highlights from this past week's earnings coverage from BloggingStocks:

• AeroVironment Inc. (NASDAQ: AVAV) beat Q4 estimates on demand for unmanned aircraft.
• Apollo Group Inc. (NASDAQ: APOL) beat Q3 expectations on increased enrollment and tuition collection.
• Campbell Soup Co. (NYSE: CPB) predicted earnings at the high end of the previously announced range.
• Constellation Brands Inc. (NYSE: STZ) posted better-than-expected Q1 earnings, sending shares up.
• Deutsche Bank (NYSE: DB), in an effort to calm investors, said that it expects a Q2 profit.
• Family Dollar Stores Inc. (NYSE: FDO) beat Q3 expectations and raised its Q4 guidance.
• H&R Block Inc. (NYSE: HRB) posted solid Q4 and full-year results and boosted its dividend.
• Kroger Co. (NYSE: KR) posted record Q1 EPS and in-line guidance, and its share buybacks continue.
• Nvidia Corp. (NASDAQ: NVDA) warned of lower Q2 earnings due to slowing demand and lower prices.
• Robbins & Myers Inc. (NYSE: RBN) beat Q3 expectations and raised its Q4 and full-year outlook.
• Thornburg Mortgage Inc. (NYSE: TMA) 2007 results are being investigated by the SEC.
• UnitedHealth Group (NYSE: UNH) cut its full-year outlook due to changing business trends.

More highlights from this past week: BP, Discover, Corel, Citigroup, WD-40, MSCI and others

Also, Peter Cohan points out that a bear market means low earnings expectations, and also that negative surprises are likely to outweigh positive ones in the second half of the year. Aaron Katsman, on the other hand, predicts a rebound for earnings in the second half. And BusinessWeek reminds us that cheap stocks -- even with big names such as Ford Motor Co. (NYSE: F), Sprint Nextel Corp. (NYSE: S), and Northwest Airlines (NYSE: NWA) -- are no bargain if they have no earnings.

Upcoming results to watch for include Alcoa (NYSE: AA), Pepsi Bottling Group (NYSE: PBG), Marriott International (NYSE: MAR), and General Electric (NYSE: GE).

Visit AOL Money & Finance for more earnings coverage.