Piper Sandler Warns of Deteriorating Market Breadth Amid S&P 500 Drop

Piper Sandler has issued a cautionary note on increasing equity exposure, citing deteriorating market breadth and momentum despite gains in certain sectors. On Tuesday, the S&P 500 fell by 0.48%, while its equal-weighted version rose slightly to 0.04%. This divergence suggests uneven performance across stocks within the index. The communications sector saw a strong rise of 2.2% and crossed above key resistance levels. However, semiconductor ETF SMH dropped sharply due to AI safety concerns affecting related companies like CrowdStrike (NASDAQ:CRWD), which hit an all-time high despite broader declines in its industry segment. Piper Sandler noted that fewer stocks are trending upward weekly compared to those declining. The firm also highlighted rising US 10-year Treasury yields and crude oil prices as potential headwinds for equities, warning of downward pressure on valuation multiples if these trends continue.

By Fiona Craig Sun, September 20, 2026 at 5:02 PM GMT+3 2 min read · Yahoo Finance ·

Piper Sandler Warns of Deteriorating Market Breadth Amid S&P 500 Drop

Tickers: $CRWD

Topics: bond yields commodities cybersecurity market breadth Piper Sandler S&P 500 semiconductors

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