You're completely out of your mind. CM Punk has been getting 2.5s..humilating 2.5s and some of the worst overruns in pro wrestling history. He did better with a Vince and Foley add on but that was it. Rock comes back and MAGICALLY we get back to the 3s and close to a 4.0 since the LAST TIME he was on Raw in Raw 1000. Get fucking real.
There is no proof whatsoever that anyone was checking for Punk's reign. If the Rock wasn't here and it was Punk vs Ziggler, you think people would be racing to see how everything came out. No. They would of checked the results on their phone and went to Hooters that night. Very simple.
It wasn't magically, it was the night after the Rumble, which always gets a big bump. People tuned in to see Punks reaction and we got an amazing promo. I give Rock some credit, but between the Rumble, Vince/Brock/Heyman, Cena picking the title at WM and then Punk, Rock really never even needed to show up.
Here are some of the best examples of the post-Rumble ratings bumps, for those who doubt it exists.
1998: 1/12/98 - 3.4;1/19/98 - 4.0
2000: 1/17/00 - 6.0;1/24/00 - 6.7
2001; 1/15/00 - 5.2; 1/22/01 - 5.6
2004: 1/19/04 - 3.6;1/26/04 - 4.0
2008: 1/21/08 - 3.5;1/28/08 - 3.9
Now, take into account we got Punk/Rock, Cena, then Brock/Vince/Heyman.
Oh, and Brock was given away on several forums, including this one, so you can't really play the "Brock wasn't advertised" card.
And as far as the title match goes, we all knew Rock was gonna win the belt, so the fact that he won probably wouldn't effect the ratings, even though Rock just being on the show might give it a slight nudge. However, Punk being on the show without a title for the first time in 435 days IS something new and interesting to see.