As of today's NYSE close the S&P is just about to where it was on Friday.
The problem is that this is not a "banking" failure. It is the bursting of an economic bubble which was based upon easy credit and leverage provided by the banking sector, but which then allowed for economic expansion in excess of what the underlying society could support.
Apparently, economic systems can differ from place to place, but greed is universal. Expect to see real issues in tightly controlled China just as much as in laissez faire USA. Policies not Politics ---- Daily Landscape