Stock Scanners can find stocks like CDIX when they first explode, etc... depending on the settings you set up and if you are paying attention and actually see such an alert ;-) - dis stock most likely will end da day way down... but stockzzz can do crazy unexpected thangs at any time - dis board will be nutzzz today and steal lots of attention from other stocks like it did yesterday... lolzzz ;-) :-) :-D :-(
Your broker may have one depending on account level or can google to look for free or paid ones and or learn about them...
What is a stock scanner?
A stock scanner is a screening tool that searches the markets to find stocks that meet a set of user-selected criteria and metrics for trading and investing. Scanners can be modified to find the most suitable candidates that meet your specific filters. Technology has streamlined the time consuming task of trying to find new trading opportunities to make it more convenient and efficient for the end user. The speed and convenience of stock scanners make them an essential tool for all traders and investors.