Benzinga's Top Downgrades (SAI, ADTN, RIMM, BBY)

SAIC Inc

was downgraded by Credit Suisse from "outperform" to "neutral." SAI's shares closed at $17.04 yesterday. SAI's PEG ratio is 1.40. Morgan Keegan downgraded ADTRAN Inc

from “outperform” to “market perform.” ADTN's stock closed at $42.51 yesterday. ADTRAN's trailing-twelve-month revenue is $605.67 million. RW Baird downgraded Research In Motion Limited

from “neutral” to “underperform.” RIMM's shares closed at $64.09 yesterday. Research In Motion's trailing-twelve-month profit margin is 17.29%. Analysts at Citigroup downgraded Best Buy Co Inc

from “hold” to “sell.” BBY's shares closed at $30.13 yesterday. Best Buy's trailing-twelve-month profit margin is 2.78%.