One of its members was Thomas Jefferson, a lawyer from Virginia. He had been a leader in Virginia, and Virginia had elected him to the Continental Congress. The others on the committee were too busy with the revolution to work on the declaration, so Jefferson wrote it alone. He finished the document in a week.
The time frame is in weeks, so it shows the average bull market cycle is 155 weeks or about 39 months. The average bear market is about 17 months, which actually matches the most recent bear market from October 2007 to March 2009 (17 months). A full market cycle is 56 months.
The 6th Longest Bull Market In History. From the lows in March 2009, the S&P 500's 4.3 year rally is now the 6th longest of the 24 bull markets of the last 113 years of data. Interestingly, of those bull markets, the average performance has been +127.36% (over 3.16 years)- the current market's performance is +127.72%. Charts: Barclays.