Below is a three month price history chart comparing the stock performance of XRAY vs.

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At last check, XRAY was off about 0.1%, while VMED was up about 0.1% on the day Friday.

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At the closing bell, PXP is off about 0.9%, while XRAY is off about 0.3% on the day Friday.

FORBES: Plains Exploration & Production Co. L.P. Larger Than S&P 500 Component DENTSPLY International

Dentsply 's (nasdaq: XRAY - news - people ) international sales of dental supplies, instruments and equipment grew 34% last year.

FORBES: Falling Into Favor

An xray, if performed at this point, would show something that's very characteristic of anthrax, that is, a mediastinal widening, the lymph nodes under the lungs.

CNN: "The Secret Life of Germs" author Philip Tierno

According to the ETF Finder at ETF Channel, XRAY and VMED collectively make up 2.14% of the Direxion NASDAQ-100 Equal Weighted Index Shares ETF (QQQE) which is lower by about 0.4% on the day Friday.

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Perry also finds buys in the medical supply field: Merit Medical Systems (nasdaq: MMSI - news - people ) and Steris (nyse: STE - news - people ) along with dental suppliers Patterson Dental (nasdaq: PDCO - news - people ) and Dentsply (nasdaq: XRAY - news - people ).

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