銘柄マーカー is a Chrome extension designed specifically for stock traders. It allows users to identify and highlight stock names within web pages and provides instant access to essential information such as stock codes, price charts, and market capitalization.

Using 銘柄マーカー is incredibly simple. Just launch Chrome and right-click on any page to select "Mark Stock." The extension will automatically highlight potential stock names, and hovering over them will display the corresponding stock code, price chart, and other fundamental data.

With 銘柄マーカー, gathering stock information becomes much quicker and more efficient. It provides traders with a seamless way to analyze stocks and make informed investment decisions.

For more information, visit the official website:

Please note that 銘柄マーカー requires certain permissions to function properly, including access to the active tab for analyzing webpage HTML, context menus for the "Mark Stock" option, storage for saving various settings, and scripting for inserting CSS and executing JavaScript when marking stocks.