The Dow Jones Industrial Average dropped another 34.44 points to finish at 12,820.60 Friday, its worst one-week performance of the year.

The Nasdaq managed to squeak out a tiny gain of 0.18 points to end at 2,933.82 while the S&P 500 shed 4.60 points to close at 1,353.39.

Needless to say, investors are hopeful that Facebook’s much-anticipated IPO will recharge investors’ enthusiasm next week.

On the economic front, the Thomson Reuters/University of Michigan consumer sentiment rating for May improved to 77.8, its highest score since 2008 and up from a 76.4 rating in April. Economists were expecting a slight dip in confidence to 76.2, according a Reuters survey.

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

Dow Jones Industrial Average:

This week: down 217.67 points, or 1.67%

  • Down two consecutive weeks.
  • Down 407.71 points, or 3.08%, over the two-week period.
  • Worst week since the week period ending December 16, 2011.
  • Down four of the past six weeks.

Today: down 34.44 points, or 0.27%

  • Down seven of the past eight trading days.
  • Lowest closing value since April 11, 2012.
  • An intraday high of 12918.01 occurred at 11:34:11 today, representing an increase of 62.97, or 0.49%.
  • An intraday low of 12779.28 occurred at 09:32:17 today, representing a decrease of 75.76, or 0.59%.
  • Twelve of the 30 component stocks rose, 18 fell.
  • Today's top five contributors to The Dow's movement and their point contribution: VZ (4.62), IBM (4.31), T (3.48), MSFT (3.18), INTC (2.95).
  • Today's bottom five laggards: JPM (-28.61), CVX (-5.07), PG (-3.48), MMM (-3.03), HPQ (-2.72).
  • Down 9.49% from its record close of 14164.53 on October 09, 2007.
  • Up 1.79% from 52 weeks ago.
  • Up 3.73% from its 2012 closing low of 12359.92 on January 06, 2012.
  • Down 3.45% from its 52-week high of 13279.32 on May 01, 2012.
  • Up 20.32% from its 52-week low of 10655.30 on October 03, 2011.
  • Month-to-date: down 2.97%.
  • Year-to-date: up 4.94%.

Dow Jones U.S. Total Stock Market Index:

14059.71*

This week: down 140.83 points, or 0.99%

  • Down two consecutive weeks.
  • Down 526.80 points, or 3.61%, over the two-week period.
  • Down four of the past six weeks.

Today: down 39.82 points, or 0.28%, or approximately $46.4 billion in market cap

  • Down three of the past four trading days.
  • Lowest closing value since March 06, 2012.
  • Down 10.71% (approximately $2.9 trillion in market cap), from its record close of 15745.39 on October 09, 2007.
  • Up 106.76% (approximately $8.3 trillion in market cap), from the 12-½ year closing low of 6800.08 on March 9, 2009.
  • Up 0.31% from 52 weeks ago.
  • Up 6.46% from its 2012 closing low of 13206.64 on January 04, 2012.
  • Down 4.62% from its 52-week high of 14740.15 on April 02, 2012.
  • Up 24.43% from its 52-week low of 11299.07 on October 03, 2011.
  • Month-to-date: down 3.16%, or approximately $545 billion in market cap.
  • Year-to-date: up 7.99%, or approximately $1.2 trillion in market cap.

Data courtesy of Dow Jones Indexes.