Campbell Soup (NYSE: CPB) served up a tasty broth of estimate-beating soup this past Friday. According to Trey Thoelcke's earnings preview, the market was looking for $0.42 per share and $1.8 billion in net sales. Well, according to Jon Ogg's coverage, Campbell delivered $0.48 per share and roughly $1.7 billion in net sales. So, revenues came in somewhat soft, but the bottom line was a success as far as Wall Street was concerned.

One thing Campbell investors want to look at is the gross margin. This metric tells you how the company is doing in terms of cost control. The press release stated that gross margin went up to an adjusted 40.3%. Last year at this time, management reported a gross margin of 38.6%. Pricing helped out, as well as efficiency initiatives. It's cool to see that Campbell can leverage price actions to propel its gross margin. It shows the power of its brand equity.

MGL Asset Management Group's press release purporting to offer $7.25 per share for Krispy Kreme Doughnuts (NYSE: KKD) was pretty quickly debunked as illegitimate and, very probably, an effort to hype the stock for a quick buck. Jon Ogg reported on the mysterious offer on our sister site, BloggingBuyouts.

The stock jumped on the news of the offer, but quickly gave up all the gains and then some after media and analyst reports dismissed the offer. But anyone who jumped on the stock at the sight of the press release got burned.

How can you prevent this from happening to you? A good rule of thumb: When you're looking for information on material developments, look to the SEC filings. The offer was made solely through a press release -- something that anyone with a few hundred bucks to pay the wire fee could send into the hands of millions of investors in a few minutes. Until you see something about the "offer" in the SEC's Edgar Database, it should be regarded as a rumor. I wrote about a similarly non-materializing offer at Trans World Entertainment (NASDAQ: TWMC) back in November.

Another solution is to leave the "in-play" trading to the pros -- it's all about information and you're unlikely to have an edge. If you see a news item that a company has received an offer, don't jump in.

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

• American Axle & Manufacturing Holdings Inc. (NYSE: AXL) reported a strike-related Q1 loss.
• Arch Coal Inc. (NYSE: ACI) Q1 profit tripled on increased demand and higher prices.
• Boeing Co. (NYSE: BA) posted better-than-expected earnings despite Dreamliner delays.
• Coach Inc. (NYSE: COH) better-than-expected quarter didn't impress Jim Cramer.
• ConocoPhillips (NYSE: COP) reported Q1 earnings and revenue above analysts' forecasts.
• Delta Air Lines Inc. (NYSE: DAL) reported a big loss on a one-time charge and fuel costs.
• Dow Chemical Co. (NYSE: DOW) posted a smaller-than-forecast profit drop and predicted a good Q2.
• EI DuPont de Nemours & Co. (NYSE: DD) Q1 earnings rose 26% but missed expectations.
• Ford Motor Co. (NYSE: F) surprised Wall Street by swinging to a profit in the first quarter.
• Goodyear Tire and Rubber Co. (NYSE: GT) easily surpassed analyst estimates for the first quarter.
• Halliburton Co. (NYSE: HAL) Q1 earnings and revenue rose due to international growth.
• Hershey Co. (NYSE: HSY) profit fell but was in line with analysts' expectations.

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

• Amazon.com Inc. (NASDAQ: AMZN) profits rose 30%, easily beating analysts' expectations.
• AMETEK Inc. (NYSE: AME) beat Q1 estimates on global strength and recent acquisitions.
• Apple Inc. (NASDAQ: AAPL) easily beat Q2 expectations but offered a weak outlook.
• AT&T Inc. (NYSE: T) posted strong Q1 results thanks to the popularity of the iPhone.
• Baidu.com Inc. (NASDAQ: BIDU) beat earnings and saw an upgrade from Citigroup Inc. (NYSE: C).
• Broadcom Corp. (NASDAQ: BRCM) Q1 profit soared, and it raised its guidance.
• Cymer Inc. (NASDAQ: CYMI) beat Q1 estimates and announced a share million buyback program.
• Electronic Data Systems Inc. (NYSE: EDS) posted Q1 profits on cost cutting and new contracts.
• EMC Corp. (NYSE: EMC) Q1 earnings fell on on acquisition-related charges.
• Hexcel Corp. (NYSE: HXL) beat Q1 estimates on increased commercial aerospace sales.
• Huaneng Power ADS (NYSE: HNP) earnings plunged on coal prices, but the stock went higher.
• Level 3 Communications Inc. (NASDAQ: LVLT) narrowed its loss on higher sales of networking services.
• McAfee Inc. (NYSE: MFE) Q1 profit plunged on product development and marketing costs.
• MEMC Electronic Materials Inc. (NYSE: WFR) missed analysts' estimates for the first quarter.
• Microsoft Corp. (NASDAQ: MSFT) beat earnings expectations and raised its full-year guidance.
• Netflix Inc. (NASDAQ: NFLX) profit soared in the first quarter on increase in subscriptions.
• Nintendo Co. (OTC: NTDOY) posted record results due to the popularity of the Wii system.

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

• AFLAC Inc. (NYSE: AFL) reported better-than-expected earnings for the first quarter.
• Ambac Financial Group Inc. (NYSE: ABK) posted a wider-than-expected loss; shares hit new low.
• Amdocs Ltd. (NYSE: DOX) beat Q2 estimates on strength in the managed services businesses.
• Amphenol Corp. (NYSE: APH) beat expectations in the first quarter and raised its guidance.
• Amylin Pharmaceuticals Inc. (NASDAQ: AMLN) posted a larger-than-estimated Q1 loss.
• Aptar Group Inc. (NYSE: ATR) posted record Q1 results and raised its Q2 guidance.
• Bank of America (NYSE: BAC) Q1 earnings plunged on further housing-related write-downs.
• Brinker International Inc. (NYSE: EAT) narrowly beat earnings expectations on cost cutting.
• Bristol-Myers Squibb Co. (NYSE: BMY) beat analysts' estimates for the first quarter.
• Credit Suisse Group (NYSE: CS) reported a wider-than-forecast loss on subprime-related write-downs.
• Cree Inc. (NYSE: CREE) earnings slipped while revenues soared 29%.
• Eli Lilly & Co. (NYSE: LLY) reported worse-than-expected Q1 earnings on discontinued product charge.
• Gannet Inc. (NYSE: GCI) beat low expectations as earnings and revenue continue slump.
• Hasbro Inc. (NYSE: HAS) posted better-than-expected Q1 earnings on international strength.
• JAKKS Pacific Inc. (NASDAQ: JAKK) missed Q1 expectations on restructuring and litigation costs.
• Kimberly-Clark Corp. (NYSE: KMB) beat EPS estimates by a penny, as revenue jumped 10%.