One day after all three major market indexes turned big gains into large losses, stocks are taking a breather-but they're not out of the woods yet. In today's Morning Movers, we... Upgrades and downgrades.NvidiaCost Pressures.MAScut full- year guidancePPGearlier this monthInformation deflation.General ElectricGEreported earnings Campbell Soup (CPB) is up 5% to $39.50 on news that activist investor Third Point wants the company to split itself, according to The Wall Street Journal. JetBlue Airways (JBLU) has gained 2.1% to $16.50 after getting upgraded to Overweight from Neutral at JPMorgan.