Dewey - The Stock Trader's Assistant is a free Chrome add-on designed to enhance the stock trading experience by providing real-time stock quotes, news, and data directly in the browser. This tool allows users to access essential information without the need to open new tabs, streamlining the process of monitoring stock performance and related news.

The add-on scans web pages for stock tickers and company names, offering an unobtrusive pop-up when users hover over these elements. The pop-up displays live day and 52-week trading ranges, as well as a filtered news and Twitter feed tailored to relevant keywords. The latest update, version, includes performance enhancements to improve user experience and efficiency.