Top Active Trader Alert Stocks (INTT, MELI, MPWR, POT, BHP, QCOM, TRLG, URRE, WFMI)

Active traders and day traders have many stocks to choose from this Thursday morning.  We are tracking news and moves in shares of inTEST Corp. (NASDAQ: INTT), MercadoLibre Inc. (NASDAQ: MELI), Monolithic Power Systems Inc. (NASDAQ: MPWR), Potash Corp. of Saskatchewan (NYSE: POT), BHP Billiton plc (NYSE: BHP), QUALCOMM Incorporated (NASDAQ: QCOM), True Religion Apparel Inc. (NASDAQ: TRLG), Uranium Resources, Inc. (NASDAQ: URRE), and Whole Foods Market, Inc. (NASDAQ: WFMI).

inTEST Corp. (NASDAQ: INTT) is getting smoked after earnings; shares are down 25.8% at $2.47 on thin volume versus a 52-week range of $0.60 to $4.65.

MercadoLibre Inc. (NASDAQ: MELI) is down after the auction and commerce site in Latin American showed revenue of $56 million, short of $62 million consensus; shares are down 4.2% at $61.95 and the 52-week range is $35.50 to $76.81.

Monolithic Power Systems Inc. (NASDAQ: MPWR) is not so monolithic after weak earnings; shares are down 11.7% at $14.88.

Potash Corp. of Saskatchewan (NYSE: POT) is unsurprisingly lower now that Canada blocked the BHP Billiton plc (NYSE: BHP) acquisition of the company.  Potash Corp. shares are down 4.5% at $138.90, its lowest levels in some time since the merger came up; BHP shares are up 4.5% at $89.94 to new 52-week highs.

QUALCOMM Incorporated (NASDAQ: QCOM) beat earnings last night and raised its 2011 guidance based on strong smartphone demand.  Shares are up 7.7% at $49.21 on more than 1 million pre-market shares.

True Religion Apparel Inc. (NASDAQ: TRLG) showed that expensive jeans aren’t immune to the world… it lowered guidance for the full year to $1.78 or lower versus $1.88 EPS consensus.  Shares are down 9.1% at $18.30.

Uranium Resources, Inc. (NASDAQ: URRE) is soaring after entering a letter of intent for exploration with Cameco to explore Texas properties.  Shares are up 13.5% at $1.94.

Whole Foods Market, Inc. (NASDAQ: WFMI) is continuing to make gains after effectively doubling earnings and raising guidance.  Shares are up almost 9% at $44.66, a new 52-week high after the prior range is $24.94 to $43.18.

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JON C. OGG