between price and yield. that jump in yield hit the s&p 500 and in particular companies that are exposed to higher discount rates. that means tech stocks, so we saw major selling in the tech stock's awful beth, microsoft, tesla. the tech-heavy index fell a whopping 3.3% yesterday, its worst performance since february of last year and the s&p 500 dropped nearly 2% and microsoft was the biggest loser in that index and the dow jones dropped just about 400 points. asian markets sold off overnight following that soft session in the u.s. and this morning european equities are also selling off, but u.s. futures, they are holding steady so it would seem as though investors are holding stead neha little bit of a holding pattern ahead of the non-farm payroll reports due out tomorrow. >> we'll be looking for that tomorrow. let's now turn to the coronavirus pandemic. you obviously have been covering this so closely as well.