Cramer's Top Stock Picks: WPRT VPHM TXN JDSU CSC

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NEW YORK (TheStreet) -- Here are some of the hot stocks Jim Cramer talked about on Friday's "Mad Money" on CNBC:

WPRT data by YCharts

Westport Innovations (WPRT) : Natural gas as a surface fuel for vehicles is coming, and Westport remains the best way to play the revolution.

VPHM data by YCharts

ViroPharma (VPHM) : Cramer said this biotech has transformed itself from a boring maker of antibiotics into an orphan drug powerhouse.

TXN data by YCharts

Texas Instruments (TXN) , JDS Uniphase (JDSU) and Computer Sciences (CSC) : Cramer said these three left-for-dead tech stocks are getting a second look from money managers and investors should take notice.

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