According to the Huffington Post, the SEC is in the process of an investigation into the trading in Apple's securities both in the US and abroad. The information was revealed in a series of documents sent to the brokerage community:
I have obtained copies of those internal SEC documents from a regulatory contact. Interestingly, the nature of its interest shows that the commission is not investigating, as is usually the case, the trading that occurred in a specific time period, but rather, in this instance, in four specific time periods. This suggests the SEC could be looking into more than one potential violation in the trading in Apple shares. What the agency is seeking in its queries to the brokerage c