The top Chart is the Nasdaq Daily Advance-Decline Line, a te...

The top Chart is the Nasdaq Daily Advance-Decline Line, a technical indicator that plots the difference between the number of advancing and declining stocks.
The uptrend from October broke last week (purple line), warning risk is increasing in the short term, stock selection is more significant before making new purchases, and making money could be more challenging. On the other hand, if the downtrend from August 2022 (solid green line) is penetrated, it would be bullish for the longer term, implying a broadening of the Nasdaq rally