Tim's chart work is simply indispensable in a period such as this. The perspectives brought to bear by the pictures are invaluable. The evolution and conclusion of a mania. The 1929 experience dramatically typifies that even secular bear markets are a process, not events to be concluded in a week or two. Watch Tim's channel work closely.
Any serious violations spell big trouble for the bull.
Clearly there is no time to think. Only time to react. Remain flexible in your outlook at all times. Ignore this little tidbit at your own peril. Once again, sorry to beat you over the head, but nothing on Wall Street ever happens in a linear fashion.