Before the bell: Futures mixed; week full of data ahead

Some analyst calls this morning:

• JP Morgan upgraded Halliburton (NYSE: HAL) from Neutral to Overweight.
• Palm (NASDAQ: PALM) was also upgraded at JP Morgan from Underweight to Overweight. PALM shares are trading up over 9.5% in premarket action after closing up over 11% Friday.
  
• UBS downgraded American Express (NYSE: AXP) from Buy to Sell. Shares are down some 1.5% in premarket trading.
  
• Soleil downgraded Yahoo! (NASDAQ: YHOO) from Buy to Hold.

Walt Disney (NYSE: DIS)'s 3-D movie Hannah Montana & Miley Cyrus: Best of Both Worlds Concert topped movie box offices, raking in $29 million for the biggest opening over a normally slow Super Bowl weekend, according to studio estimates on Sunday. Lionsgate's The Eye took the No. 2 slot at U.S. and Canadian box offices with a $13 million weekend. The No. 3 movie was romantic comedy 27 Dresses with $8.4 million.

General Motors Corp. (NYSE: GM) will introduce a new hybrid full-size pickup -- the 2009 GMC Sierra -- and a concept hybrid truck -- GMC Denali XT -- this week at the Chicago Auto Show, betting that pickup drivers have been itching to jump on the hybrid bandwagon.

Intel Corp. (NASDAQ: INTC) revealed Sunday it has built a new chip packed with a record 2 billion transistors, more than doubling the processing power for its new "quad-core" Itanium chips, which will operate at frequencies up to 2 gigahertz and have four processing engines on a single chip.

According to the Wall Street Journal, Carl Icahn has quietly amassed a large stake in department store operator J.C. Penney Co Inc (NYSE: JCP).

The Wall Street Journal's tech columnist wrote his own Mac-PC commercial after being disappointed when his Apple Inc. (NASDAQ: AAPL) Mac broke a week after he'd decided to finally make the switch. Bottom line, they're just machines and don't define who we are -- try telling that to GenY.
Meanwhile, the New York Times wonder whether Obama is a Mac and Clinton a PC.