Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
TradeStation - Whether you trade stocks, ETFs, options or futures, TradeStation’s award-winning tools and...
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
OptionsHouse - OptionsHouse is an online stock trading platform with an easy-to-use interface.
Better Uptime - We call you when your website goes down
Google Finance - Google Finance is a website focusing on business news and financial information hosted by Google.