Google chrome extension can be found in market. https://chrome.google.com/webstore/search/stockz
Keep up with the current stock market prices. You can subscribe to a specified stock by clicking on the "Add new stock" and find the desired stock.
Known Bugs: Can't request more than 5 times back-to-back due to the free API frequency cap. Error when loading the subscribed stocks "can't read from undefined".
Install: Download package and install extension or install through store. https://chrome.google.com/webstore/search/stockz Credit to alphastock api.