Thursday's Analysts' Upgrades and Downgrades

Wrigley(WWY Quote) was upgraded from Underweight to Neutral at JPMorgan. Company is positioned to generate double-digit earnings growth in 2007, led by emerging-markets growth.

Stock Comments/EPS Changes

Constellation Energy(CEG Quote) price target raised to $92 from $83 at UBS. EPS estimates for 2007 and 2008 remain at $4.55 and $5.55, respectively. Reiterates Buy rating.

Goldman is cutting its target on General Motors(GM Quote) to $30 from $31 due to uninspiring fourth-quarter fundamentals and 2007 outlook. Free cash flow outlook is disappointing, while pricing deteriorated during the fourth quarter and volume looks set to remain in persistent headwind. Maintained Neutral rating.

Credit Suisse is raising its 2007 EPS estimates on Pep-Boys-Manny(PBY Quote) to 25 cents from 18 cents based on improving trends. Raised target price to $13 but maintained Underperform rating.