ready to thank you for joining me, frank aquila and jeffrey mccracken.we are talking biotech. and what a run they have had. but is it the end? we will take a look ahead with our bloomberg intelligence 16.look 20 ♪ betty: good morning and welcome back to bloomberg markets. let's look at some of the biggest business stories in the news right now. home sales plunged sharply in november. sales of existing homes collapsed 10.5% to a seasonally adjusted annual rate of 4.7 6 million. sales of existing homes are on track to rise roughly 5% for the entire year. thanis recalling more 300,000 of its older cars because the headlights might suddenly shut off. the affected models are crown victoria and mercury grand marquis. the automaker says it knows of 11 crashes and one minor injury because of the problem. and that is your business flash update. you about some headlines coming out from the cdc. this involves another case of e. coli outbreak, this time linked to costco rotisserie chicken salad. the cdc says between 14 and 16 people bought this chicken salad. five p