Major Analyst Upgrades/Downgrades (9/24/2010) (AMTD)(CSX)

Piper Jaffray upgrades shares of Kenexato Overweight and raised the its target to $29 from $13.

BNP Paribas was downgraded to “equal weight” from “overweight” by Morgan Stanley on valuation grounds Natixis SA was cut to “underweight” from “equal weight.”

EADS upped to “overweight” at JP Morgan.

BTT drops CSX (NYSE: CSX) to “hold” from a “buy”

Unum (NYSE: UNM) knocked down to “market perform” by Wells Fargo.

Goldman Sachs raises TDAmeritrade (NASDAQ: AMTD) to “buy” from “neutral” and adds $20 price target.

National Semiconductor downgraded to “underperform” by First Global.

S&P upgraded its long-term credit rating of Texas Instruments (NYSE: TXN) to “A+’ from “A”

Fitch downgraded Blockbuster’s non-investment grade default rating to “D”

Douglas A. McIntyre