Share Cracker - Version 2.1 Share Cracker is a powerful tool for investors that want to monitor the London Stock Exchange. It displays all the FTSE100 and FTSE250 company share prices, plus the FTSE, AIM, Dow Jones, and Nasdaq indexes. You can easily see the best time to buy, hold or sell shares. Share prices and stock market data is downloaded from free sources and displayed the data in an easily digestible form. See the fastest rising and falling shares.