TD Ameritrade upgraded at BofA: AMTD was upgraded to Buy, Bank of America said. $20 price target. Stock has dropped on seasonal market concerns, though the company can generate 25% annual earnings growth over the next two years. BellSouth downgraded at AG Edwards: AG Edwards said it is downgrading BLS to Sell based on significant regulatory scrutiny surrounding AT&T merger. See limited upside versus greater downside risk. Chattem upgraded at JP Morgan: CHTT was upgraded from Neutral to Overweight, JP Morgan said. Risk-reward is attractive at current levels, given the sharp earnings rebound expected in 2007. Chattem estimates lowered at Goldman Sachs: Goldman said it is lowering its 2006 estimates on CHTT by $0.29 to $1.90 after company lowered guidance. Maintained Neutral rating. 1-800-Flowers upgraded at Goldman: Goldman said it is upgrading FLWS to Neutral from Sell due to achievement of price target. Shares now 6% below $6 target, which remains unchanged. HCA downgraded at Oppenheimer: HCA was downgraded from Buy to Neutral, Oppenheimer said. Rising interest rates could dampen earnings benefit from share buybacks. Hospital volumes will also likely continue to be sluggish. Lucent estimates lowered at UBS: UBS lowered their 2006 estimates on LU to 12 cents from 16 cents and 2007 estimates to 14 cents from 18 cents. Maintained Buy rating. Lucent estimates reduced at Goldman Sachs: Goldman said it is reducing its 2006 estimates by 2 cents to $0.12 based on company guidance. No rating on shares. Lucent downgraded at Baird: Rating on LU was cut from Outperform to Neutral, Robert Baird said. $3 price target. Company warned of lower North America wireless sales, which was likely from Verizon and Spring 3G EV-DO. Estimates also cut. Lucent upgraded at Citigroup: LU was upgraded from to Buy, Citigroup said. $3.30 price target. Estimates cut to reflect the company's latest warning, though the stock can generate a 40% return, based on the merger with ALA. Lucent target cut at Jefferies: LU price target lowered to $2.50 from $3.00, Jefferies said. Company pre-announced softer-than-expected June quarter results. Reiterate Hold rating. Lucent estimates cut at Prudential: Prudential said it is cutting its 2006 estimates on LU by a penny to 14 cents a share to reflect negative preannouncement. Maintained Overweight rating. OSI Restaurants upgraded at Jefferies: Jefferies said it is upgrading OSI to Hold from Underperform based on valuation. See macroeconomic weakness and difficult operating environment priced into shares after 20% decline since early May. Price target of $35.