but we're just talking with eric topol about this from scripps. he says the data look really good on the data we've seen so far. he thinks that led them to make this amount of guidance. but some experts are saying they should go further, the data can support it, andit would give more of incentive. it seems like they're being cautious given the science right now. >>> after the break, we're on apple watch. the company getting ready for quarterly results tomorrow we'll talk to a chart analyst, tom mcclellan, who says he's identified the best time to buy and sell apple stock around earnings we'll hear from him next we've got 52 minutes left of trade and you're watching "closing bell" on cnbc these days you have to keep everything moving and reinvent the wheel. with a hybrid, you can do both. that's why manufacturers are going hybrid with ibm. with watson on a hybrid cloud factories can use ai to automate the little things so they can focus on the next big thing. businesses that want to innovate at scale are going with a smarter hybrid cloud using the