ProLogis (PLD) (AVAV) (DGX) (MDU) (SORL) (VR) All Downgraded

ProLogis (NYSE: PLD), AeroVironment (NASDAQ: AVAV), Quest Diagnostics Inc (NYSE: DGX), MDU Resources Group, Inc. (NYSE: MDU), Sorl Auto Parts, Inc. (NASDAQ: SORL) and Validus Holdings, Ltd. (NYSE: VR) downgraded by analysts.

AeroVironment (AVAV) was downgraded by Raymond James (NYSE:RJF) from an “outperform” rating to a “market perform” rating.

Quest Diagnostics (DGX) was downgraded by RBC Capital from an “outperform” rating to a “sector perform” rating. They have a price target of $61.00 on the company, down from $67.00.

MDU Resources Group, Inc. (MDU) was downgraded by Citigroup (NYSE:C) from a “buy” rating to a “hold” rating.

ProLogis (PLD) was downgraded by Jefferies (NYSE:JEF) from a “hold” rating to an “underperform” rating.

Sorl Auto Parts, Inc. (SORL) was downgraded by Oppenheimer from an “outperform” rating to a “perform” rating.

Validus Holdings, Ltd. (VR) was downgraded by Stifel Nicolaus from a “buy” rating to a “hold” rating.

Dividends on (DFG) (JWN) (LEA) (MDU) (NOV) Declared

Delphi Financial Grp. (NYSE:DFG), Nordstrom Inc. (NYSE:JWN), Lear Corporation (NYSE:LEA), MDU Resources (NYSE:MDU) and National Oilwell Varco Inc. (NYSE:NOV) declare dividends.

The Board of Directors of Delphi Financial Grp. (DFG) declared a quarterly common stock dividend of $0.12 per share payable 6/8/11 to shareholders of record at the close of business on 5/25/11.

The Board of Directors of Nordstrom Inc. (JWN) declared a quarterly common stock dividend of $0.23 per share payable 6/15/11 to shareholders of record at the close of business on 5/31/11.

The Board of Directors of Lear Corporation (LEA) declared a quarterly common stock dividend of $0.125 per share payable 6/22/11 to shareholders of record at the close of business on 6/3/11.

The Board of Directors of MDU Resources (MDU) declared a quarterly common stock dividend of $0.1625 per share payable 7/1/11 to shareholders of record at the close of business on 6/9/11.

The Board of Directors of National Oilwell Varco Inc. (NOV) declared a quarterly common stock dividend of $0.11 per share payable 6/24/11 to shareholders of record at the close of business on 6/10/11.