Hurricane Idalia has been upgraded to a Category 4 storm as it heads toward landfall Wednesday on Florida’s west coast, the US National Hurricane Center said in an update at 5 a.m. ABC News reporter Em Nguyen has the latest on Bloomberg Television. -------- Follow Bloomberg for business news & analysis, up-to-the-minute market data, features, profiles and more: http://www.bloomberg.com Connect with us on... Twitter: / business Facebook: / bloombergbusiness Instagram: / bloombergbusiness