GOOD DAY FOR: A merchant uprising, after a sellers’ strike at online auction giant eBay coincided with a 3 percent drop in auction listings. It is not yet clear if the week-long strike, called to protest new fees and other policy changes at eBay, is responsible for the decline. (Fortune in CNNMoney.com)

BAD DAY FOR: A chocolate cartel, with European regulators looking into price-fixing allegations involving U.S. candymakers Mars and Hershey’s. Canada, then the U.S. and Germany, have also started price-fixing inquiries against Mars and Hershey’s, along with Nestle, Cadbury Schweppes, and others. (AP in USA Today)