Rathbones Plunges, STMicro Dips, Porsche Down

Today's biggest winners and losers in the stock market.On this episode of Stock Movers:- Rathbones Group Plc shares plunged after the UK wealth manager said it expects to incur £60 million ($80.4 million) of additional costs over the next two years, as it addresses issues found in a watchdog review into how it treats its customers.- STMicroelectronics NV is looking to raise $1.5 billion from selling debt that can be exchanged into equity after the chipmaker’s shares tripled in value so far this year. - Porsche received an upgrade to equal-weight at Barclays, which sees improving investor sentiment and a lack of near-term negative catalysts.See omnystudio.com/listener for privacy information.