Studios love to announce the weekend gross for their films and I have noticed they even announce Fridays grosses.
It is interesting to see the top ten films of all time and then the adjusted for ticket inflation.
1 Avatar Fox $760,507,625 2009^ (#14)
2 Titanic Par. $600,788,188 1997 (#6)
3 The Dark Knight WB $533,345,358 2008 (#28)
4 Star Wars Fox $460,998,007 1977^ (#2)
5 Shrek 2 DW $441,226,247 2004 (#31)
6 E.T.: The Extra-Terrestrial Uni. $435,110,554 1982^ (#4)
7 Star Wars: Episode I - The Phantom Menace Fox $431,088,301 1999^ (#20)
8 Pirates of the Caribbean: Dead Man's Chest BV $423,315,812 2006 (#45)
9 Toy Story 3 BV $415,004,880 2010 (#88)
10 Spider-Man Sony $403,706,375 2002 (#35)
Adjusted for inflation
1 Gone with the Wind MGM $1,618,377,500 $198,676,459 1939^
2 Star Wars Fox $1,426,738,000 $460,998,007 1977^
3 The Sound of Music Fox $1,140,747,200 $158,671,368 1965
4 E.T.: The Extra-Terrestrial Uni. $1,136,253,200 $435,110,554 1982^
5 The Ten Commandments Par. $1,049,310,000 $65,500,000 1956
6 Titanic Par. $1,028,050,500 $600,788,188 1997
7 Jaws Uni. $1,025,911,300 $260,000,000 1975
8 Doctor Zhivago MGM $994,325,000 $111,721,910 1965
9 The Exorcist WB $885,655,000 $232,671,011 1973^
10 Snow White and the Seven Dwarfs Dis. $873,090,000 $184,925,486 1937^
If intereted here is the website
http://boxofficemojo.com/alltime/adjusted.htm