This seems rather speculative, so I am uncertain about how much attention to give it. But I’m positing it, it may well be useful – comments welcome. The Wall Street Journal (ungated) asks if the cash crunch we saw in June in China could be repeated in September: The causes of the June cash crunch that pushed short-term borrowing rates close to 30%, triggering a sell-off in the mainland’s equity and bond markets, were complex. But analysts break it down into five main factors. Some of them look…