SAN FRANCISCO (AP) — Reddit and its eclectic bazaar of online communities is ready to plumb high-stakes territory — the stock market. The company priced its IPO at a share Wednesday and shares will begin trading Thursday on the New York Stock Exchange under the ticker symbol “RDDT.” The market debut is likely to spur a flurry of commentary on Reddit’s own platform, as well as competing social media outlets. The IPO will test the quirky company’s ability to overcome a nearly 20-year history c