Yahoo Finance Video Apple (AAPL) shares are falling for a second day following a Bloomberg report that China could ban some state firms from using iPhones. It follows a similar report from the Wall Street Journal that the country is banning government officials from using iPhones at work. Yahoo Finance Senior Tech Editor Dan Howley explains that, given how Apple has worked with the Chinese government to satiate some of their security concerns, this seems to almost be more of "a delayed tit for tat for what the U.S. has done to the likes of Huawei and is doing to...