Then Down Big News Today

About we warm up in chicago to almost 60 degrees. guys? >> all right. thanks. well check cnn "money." global stocks lower now following a tech sell-off on wall street sending u.s. stocks lower. crazy day. market was up big, down big. tech is the markets most valuable sector. investors are wary as tech companies face greater regulatory scrutiny. facebook fell another 5% after ceo mark zuckerberg said he would testify before congress. for those of you keeping score, it has now shed $80 billion i...

Tesla down 8% after the government said it would probe the fatal self-driving car crash. tech is the markets most valuable sector. as tech faces regulator scrutiny, investors are growing wary. wall street closed lower with the nasdaq down 3%. global stocks and u.s. futures now are down. it was a crazy day. up big, then down big. just -- this is a new era for investors. i think a lot of headline risk. >> volatility is the word. okay. theres a clown running for congress in south carolina. you mi...