This post was originally posted here. The writer is a veteran community member and blogger on InvestingNote, with username known as el15, with 200+ followers.

Dear all

After hitting an intra-day high of 2,941 on 21 Sep 2018, S&P500 has tumbled 17.9% or 525 points to close 2,416 on 21 Dec 2018. In fact, S&P500 has just logged the worst monthly performance in Dec since 1931! Dow has also fallen 3,535 points from the intraday high of 25,980 on 3 Dec 2018 and 4,507 points from the intraday high of 26,952 on 3 Oct 2018. What is happening? Is Armageddon coming?

Most things have not changed since 21 Sep, except for…

In Sep, when S&P500 hit 2,940, the usual concerns were also there, namely trade tensions; U.S. 10Y treasury yields above 3%; Brexit; concerns on Europe; peak in earnings growth in U.S. market; slowing global growth etc. Since then, nothing much has