THR Heat Index

Charting the week's ups and downs in the business of entertainment.

DOWN: Jason Kilar

The Hulu CEO yanks the company off the auction block after the highest bid comes in under a $2 billion threshold. Now some speculate that Disney, News Corp. and other owners want to buy Kilar's stake and get a new leader.

UP: Glen Mazzara

The Walking Dead showrunner, who stepped in for the fired Frank Darabont, can celebrate as the AMC series' season two premiere draws 7.3 million viewers and shatters basic cable ratings records in two key demos.

UP: Ted Koppel

The former Nightline host joins Brian Williams on NBC's Rock Center as a correspondent, returning the veteran newsman to a high-profile network job.

UP: Zachary Quinto

The Star Trek actor becomes a web sensation after revealing he's gay. Will it translate to bigger roles?

SHOWBIZ STOCKS

UP: Sirius XM Radio (Siri)
$1.77 (+7%)

It initiates a piecemeal rollout of SiriusXM 2.0 with a slew of channels with sports, news, comedy and Spanish music.

DOWN: Lions Gate (LGF)
$7.15 (-0.4%)

Valery Hache/AFP/Getty Images

Carl Icahn says his investment funds will offer 19 million shares at $7 apiece, leaving him with 3.1 percent stake.