If Cramer can make ‘Booyah!’ catch phrase of Wall Street wanna-be’s than Microsoft can certainly help launch its own competitive stock-trading site without raising a single eyebrow within silicon valley and beyond. The company in question is Dublin-based Zignals, which can be cast into the category of social investing site. However, unlike most of those similar sites, Zignals focuses on rules and strategies. It offers tools and services that were formerly only available to large market players. You can set up alerts to go to your mobile or pager once a buy or sell order hits. You can also share your secrets and strategies with the community at large or simply get advice. It’s perfect for savvy traders who don’t want to have to spend their day staring at screens. Plus, it’s free.