Chevron target raised at Merrill: CVX target was raised to $74.50 a share, Merrill Lynch said. Company deserves a higher multiple, as valuations for larger energy companies catch up to moves in small-cap names. DR Horton estimates lowered at UBS: UBS lowered its estimates on DHI to $3.55 from $4.80 and 2007 estimates to $3 from $4 after the company cut 2006 EPS guidance. Lowered price target to $28 from $35 and maintained Buy rating. International Paper estimates raised at Prudential: Prudential said it is raising its 2006 estimates on IP by 6 cents to $6.12 a share due to reductions in interest expense and pension expense. Maintained Neutral Weight rating. Itron added to Focus List at JP Morgan: ITRI was added to the Focus List, JP Morgan said. Company is operating in a sweet spot of the current utility cycle, as evidenced by its record backlog. Overweight rating and $69 price target. Marriott outlook raised at Morgan Stanley: Morgan Stanley said it is increasing its estimates on MAR for the full year to $1.77 a share from $1.76 a share. Maintained Equalweight rating. Pepsi numbers upped at Merrill: Shares of PEP now seen reaching $67, Merrill Lynch said. Estimates also raised, as the company continues to grow margins despite higher input costs. Buy rating. Tenet Healthcare estimates raised at Jefferies: Tenet 2006 estimates raised 3 cents to ($0.02), Jefferies said. Encouraged by new management and progress after DOJ settlement. Maintain Underperform rating and $7 target. Tribune outlook lowered at Morgan Stanley: Morgan Stanley said it is lowering its estimates on TRB to $2.10 a share from $2.30 a share. Equalweight rating is maintained. Viacom estimates lowered at UBS: UBS lowered its 2006 estimates on VIA to $1.97 from $1.99 and 2007 estimates to $2.28 from $2.36. UBS also lowered its price target to $40 from $44.