The Financial Times' David Keohane On The Role of Weather In Popular Insurrection (also Jeremy Grantham)

Mr. Keohane is currently based in Paris where in addition to SocGen and Renault and CMA CGM he is also looking at sociology in the streets. His latest at the FT, earlier this morning:

Police clamp down on fifth weekend of French protests 

And on Twitter yesterday:

The 16th. Again, last weekend looked rather different pic.twitter.com/pHVoNYcDqK

— David Keohane (@DavidKeo) December 15, 2018

Weather in Paris is thoroughly miserable. Government must be delighted.

— David Keohane (@DavidKeo) December 15, 2018

Should add: It’s bloody cold

— David Keohane (@DavidKeo) December 15, 2018

And the reason for this visit to Mr. K's Twitter feed?

We've been touting the S&P 500 to trade to the original target that GMO's Jeremy Grantham set over two years ago, at least 3000 and on up to 3300 before the real fun-and-games begin.
While looking at some search results ('search blog' box, upper left) this from early 2018 dropped out:

Thursday, January 4, 2018
The FT's David Keohane's Shorter Jeremy Grantham 

Grantham's latest: "A range of 9 to 18 months from today and a price rise to around 3,400 to 3,700 on the S&P 500 would show the same 60% gain over 21 months as the least of the other classic bubble events." https://t.co/iu6cXIHRxW

— David Keohane (@DavidKeo) January 4, 2018

S&P 500:
2,723.01 +9.95 (+0.37%)

In the interim Mr. Grantham has scaled back his certainty to the magical '40% chance' number favored by analysts everywhere.
S&P 500 close 14 December: 2,599.95