The S&P 500 penetrated its secondary trendline, indicating a correction to test support at the LT trendline at 2800. Shorter-term 21-day Twiggs Money Flow crossed below zero to warn of a secondary correction. Follow-through below the January high at 2870 would confirm.
Nasdaq 100 breach of 7400 would also confirm, signaling a correction to test support at 7000.