(By Balachander) A number of stocks were upgraded, downgraded and price targets changed by equities research analysts on Monday.
Altria Group Inc. (NYSE: MO): UBS upgraded rating on the stock to "Buy" from "Neutral". Shares gained 2.98 percent to trade at $32.17.
Diamond Foods Inc. (NASDAQ: DMND): Jefferies downgraded rating on the stock to "Underperform" from "Hold". The stock slumped 11.37 percent to trade at $13.41.
DryShips Inc. (NASDAQ: DRYS): Wells Fargo downgraded rating on the stock to "Market Perform" from "Outperform". Deutsche Bank lowered price target to $1.50 from $2.50. Shares shed 0.59 percent to trade at $1.69.
Randgold Resources Ltd. (NASDAQ: GOLD): RBC Capital upgraded rating on the stock to "Outperform" from "Sector Perform". U.S.-listed shares rose 4.37 percent to trade at $106.22.
Rambus Inc. (NASDAQ: RMBS): JPMorgan upgraded rating on the stock to "Overweight" from "Neutral". Shares jumped 9.95 percent to trade at $4.47.
Williams-Sonoma Inc. (NYSE: WSM): BofA/Merrill upgraded rating on the stock to "Buy" from "Underperform". The stock traded 4.37 percent higher to trade at $45.11.