Also. . .

* Medtronic Inc. said it sent letters late last week to doctors who have implanted its GEM SR single-chamber defibrillator, indicating that a component may lead to early battery drain. Medtronic said about 50 of the GEM SR devices are affected out of roughly 5,000 implanted since the product was launched in October 1998. The company said no incidents of failure have been reported and the product will remain on the market.

*

* Turbodyne Technologies Inc. of Woodland Hills said Nasdaq has delisted its shares from the Nasdaq Stock Market.

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