As the afternoon session opened overnight in China, stocks were crashing 6-7% (after dropping over 10% and soaring over 15% in the 5 days prior). With record and exponentially growing margin trading one can only imagine the vast majority of new account-holding housewives were stopped out of various positions. Which makes us wonder, just who the mysterious buyer of last resort was that lifted Chinese stocks ever-so-linearly all the way back to unchanged (and in fact green for Shanghai).