This report is an intraday check of some of the more notable stocks that have hit a 52-week high or low so far today.

52-Week High:Nexen, Inc. (NYSE: NXY) $26.98. Candian regulators approved CNOOC's (NYSE: CEO) proposed acquisition of Nexen late last Friday. However CEO Kevin Reinhart said today that a deal is "nowhere near done."

Celldex Therapeutics, Inc. (Nasdaq: CLDX) high of $7.14. Celldex said CDX-011 met some primary endpoints in the Company s randomized Phase 2b EMERGE study. For more color, click here.

UniPixel, Inc. (Nasdaq: UNXL) high of $13.89. UniPixel continuing higher after announcing last Friday that it joined forces with a manufacturer of personal computers to develop and introduce products that feature next-generation touch screens based on UniPixel's UniBoss pro-cap, multi-touch sensor film. Shares are up 68 percent over the last two sessions.

Quanta Services (NYSE: PWR) high of $26.92. Quanta getting a boost as Deutsche Bank started coverage on the company at Buy and price target of $31. Click here for more color.52-Week Low:Zogenix, Inc. (Nasdaq: ZGNX) low of $1.25. Zogenix announced that the U.S. Food and Drug Administration's (FDA) Anesthetic and Analgesic Drug Products Advisory Committee (AADPAC) voted 2-11 [with 1 abstention] against the approval of Zohydro ER (hydrocodone bitartrate extended-release capsules). For more color from the release, click here.

Cereplast, Inc. (Nasdaq: CERP) low of $0.05. Cepeplast to delist from Nasdaq, will begin trading OTC.

The Cash Store Financial Services Inc. (NYSE: CSFS) low of $2.90. Cash Store will restate the previously issued unaudited consolidated interim financial statements ("interim financial statements") for the three and six months ended March 31, 2012 and three and nine months ended June 30, 2012.