Soitec Tumbles, Renault Approached, Beauty Tech Up

Today's biggest winners and losers in the stock market.
On this episode of Stock Movers:
- Soitec and other European tech stocks fell as volatility hit chipmakers anew after blowout earnings from Samsung left investors wanting even more.
- Chinese carmaker BYD first approached Renault about two years ago to buy a stake in the French carmaker, which ended partnership discussions at the time, newspaper Les Echos reports Tuesday, without identifying the source of the information.
- Beauty Tech Group forecast revenue for the full year of at least GBP170 million.

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