Week of Bruising Volatility Tests Support Levels Across Stocks

A third straight week of market turbulence left US equity investors searching for any edge on how to position ahead of what is normally a strong seasonal stretch for stocks.

While there was no satisfyingly simple answer to what caused last week’s manic moves, several bull narratives came under scrutiny. Artificial intelligence bets unwound, certainty in a Fed hike next month wobbled and data suggested the economy is slowing. Speculative bets, on everything from Bitcoin to profitless tech, unwound rapidly.

When the dust settled, the S&P 500 had fallen just a bit under 2% to 6,602.99. But along the way, the index tested some key technical supports, leaving analysts scouring charts to suss out support levels or signs of an all clear.

“The lines and boundaries are being set for the next weeks and months, and if we break them — in both directions — it will become an important signal,” said Todd Sohn, a senior ETF and technical strategist at Strategas. “Some of these lines are becoming important reference points.”

BB Stock benchmark

The S&P 500 fell below its average price of the past 100 days on Thursday, a level it hadn’t breached since February. Friday’s rally brought it back above the line, but not the 50 day, whose curve plateaued in an ominous sign.