Note that some may require subscriptions, although even those will allow you to do some browsing prior to subscribing. Also, some subscription sites charge while others do not. BTW, one of the features of the Hitt, et al. textbook is that they provide web addresses for companies mentioned prominently in the text or that are used for case studies. There are even some exercises that can be completed over the Internet. In addition to links to other sites the BAH consultants find useful, it also has links to various articles related to strategy.
Ethics is an important aspect of business generally and strategy, specifically.
Many business periodicals also are available online. Stock quotes can be found at many sites now. A number of sites are useful for the links they provide to other sites. This course is structured primarily about case analyses and discussions of the cases and applicable theory and tools as appropriate. To evaluate your learning we will use a number of methods.