Apple and Google are respectively the number one and number two largest publicly traded companies (as measured by market capitalization) in the world. So it’s anything but surprising that each company dominates the discourse among technology investors and followers on a daily basis. Below are three visualizations of how both Apple and Google’s market capitalization...

The two charts below show the history of guidance provided by Apple’s management team relative to the delivered results. The first chart displays this using the revenue statistic while the second one focuses on gross profit margin. The bottom of the rectangles indicates the low end of the range and the top, the high end...