TradingMarkets' 9 Stocks You Need To Know About Today

Pixar (PIXR | Quote | Chart | News | PowerRating) slashed Q2 guidance to 0.10/share from 0.15. The company cited slower video sales for "The Incredibles." The stock is lower pre-open.

3M (MMM | Quote | Chart | News | PowerRating) guided Q2 and full-year lower, saying it will take a $75 million charge related to the repatriation of foreign earnings.

Unocal (UCL | Quote | Chart | News | PowerRating) guided Q2 higher, to 1.65 - 1.70. Thomson First Call had it at 1.37.

Red Hat (RHAT | Quote | Chart | News | PowerRating) beat by 0.02, reporting an almost 45% gain in Q1 met income. The company guided slightly lower for the current quarter. CSFB upgraded the stock to outperform.

Taser (TASR | Quote | Chart | News | PowerRating) is suing Gannett--the parent of USA Today--for libel and misrepresentation. Taser claims the newspaper said their guns overstated the charge of its gun by a million times--that its punch was as strong as an electric chair.

Pfizer (PFE | Quote | Chart | News | PowerRating) is canceling two new drugs after trials showed limited benefits.

Automakers report sales today: (GM | Quote | Chart | News | PowerRating), (F | Quote | Chart | News | PowerRating), (DCX | Quote | Chart | News | PowerRating).

UBS downgraded Pepsi (PEP | Quote | Chart | News | PowerRating) and Pepsi Bottling (PBG | Quote | Chart | News | PowerRating), citing higher energy costs.