The Dow Jones Industrial Average shed another 73.11 points to close at 12,369.38 and Facebook’s much-hyped initial public offering failed to prop up the downtrodden tech sector as the Nasdaq dropped 34.90 points to finish at 2,778.79.

Facebook (NASDAQ: FB) shares opened to much fanfare and stormed up as much as 18% in early trading before steadily regressing to close at $38.23, up just 23 cents from its opening price.

The S&P 500 didn’t fare any better, losing 9.64 points to close at 1,295.22.

Friday’s losses contributed to all three indexes posting their worst one-week decline of the year.

Here are some more details from Friday’s trading session:

Dow Jones Industrial Average:

This week: down 451.22 points, or 3.52%

  • Down three consecutive weeks.
  • Down 858.93 points, or 6.49%, over the three-week period.
  • Worst week since the week period ending November 25, 2011.
  • Longest weekly losing streak since the four-week period ended August 19, 2011.

Today: down 73.11 points, or 0.59%

  • Down six consecutive trading days and 12 of the last 13 sessions.
  • Longest streak of its kind since October 1974.
  • Down 485.66 points, or 3.78%, over the six-day period.
  • An intraday high of 12492.97 occurred at 09:32:44 today, representing an increase of 50.48 points, or 0.41%.
  • An intraday low of 12336.76 occurred at 15:54:48 today, representing a decrease of 105.73 points, or 0.85%.
  • Ten of the 30 component stocks rose, 20 fell.
  • Today's top five contributors to The Dow's movement and their point contribution: CAT (6.66), WMT (5.68), T (2.80), MCD (1.74), VZ (1.21).
  • Today's bottom five laggards: IBM (-15.21), CVX (-12.71), KO (-8.10), UTX (-7.19), DD (-6.58).
  • Lowest closing value since January 06, 2012.
  • Down 12.67% from its record close of 14164.53 on October 09, 2007.
  • Up 88.93% from its 12-year closing low of 6547.05 on March 9, 2009
  • Down 1.14% from 52 weeks ago.
  • Up 0.08% from its 2012 closing low of 12359.92 on January 06, 2012.
  • Down 6.85% from its 52-week high of 13279.32 on May 01, 2012.
  • Up 16.09% from its 52-week low of 10655.30 on October 03, 2011.
  • Month-to-date: down 6.39%.
  • Year-to-date: up 1.24%.
  • DJIA crossed zero 53 times during today's trading session.
  • Today's closing value is the 2nd lowest so far this year.

Dow Jones U.S. Total Stock Market Index:

This week: down 649.42 points, or 4.62%

  • Down three consecutive weeks.
  • Down 1,176.22 points, or 8.06%, over the three-week period.
  • Largest weekly percentage decline since November 25, 2011.
  • Largest weekly points decline since September 23, 2011.
  • Longest weekly losing streak since the four-week period ended August 19, 2011.

Today: down 110.63 points, or 0.82%, or approximately $132 billion in market capitalization

  • Down six consecutive trading days and 11 of the last 13 days.
  • Down 689.24 points, or 4.89%, over the six-day period.
  • Lowest closing value since January 13, 2012.
  • Down 14.83% (approximately $3.6 trillion in market cap), from its record close of 15745.39 on October 09, 2007.
  • Up 97.21% (approximately $7.6 trillion in market cap), from the 12-½ year closing low of 6800.08 on March 9, 2009.
  • Down 3.98% from 52 weeks ago.
  • Up 1.54% from its 2012 closing low of 13206.64 on January 04, 2012.
  • Down 9.02% from its 52-week high of 14740.15 on April 02, 2012.
  • Up 18.68% from its 52-week low of 11299.07 on October 03, 2011.
  • Month-to-date: down 7.63%, or approximately $1.3 trillion in market cap.
  • Year-to-date: up 3.00%, or approximately $416 billion in market cap.

Data courtesy of Dow Jones Indexes.