Tools which help track and alert about stock market activity

See also: All Slack AppsFinanceTravel and Shopping

Fun real-time stock quotes
A stock market application, currently providing quotes from Yahoo Finance.
Turbot is your own bot investment assistant.
Provides stock quotes with portfolios, daily summaries, and news.
Top rated stocks delivered daily reviews applications which integrate with Slack, and is not created by, affiliated with, or supported by Slack Technologies, Inc.