Altria Group Inc (NYSE:

) was downgraded by Deutsche Bank from “buy” to "hold." MO's shares closed at $24.25 yesterday. Altria's sales have dropped by 23.45% in the past five years. Morgan Keegan downgraded Tellabs Inc (NASDAQ:

) from "outperform" to "market perform." TLAB's shares closed at $7.67 yesterday. Tellabs' earnings have dropped by 13.11% in the past five years. Satyam Computer Services Limited (NYSE:

) was downgraded by JP Morgan from "overweight" to "neutral." SAY's shares closed at $4.08 yesterday. Satyam's 52-week trading range is $4.13-$6.84. Analysts at Benchmark Co downgraded Open Text Corporation (NASDAQ:

) from "buy" to "hold." OTEX's shares closed at $48.20 yesterday. Open Text's 52-week trading range is $35.82-$50.97.