Investors aren’t confident about Central Garden & Pet (NASDAQ: CENT ), which makes pet food and lawn supplies, right now. The company’s stock price has fallen 17% in the past month. Its sales are falling, so it may look likeI am a freelance business writer. I formerly wrote articles for the Motley Fool Blogging Network, where I won several editor's choice awards. After that, I wrote articles for the main Motley Fool site. I typically focus on restaurants, retailers, and food manufacturers, considering both ...