wisconsin representative shawn duffy pulled no punches in his clash with the fed chair. >> if anyone is trying to sweep this under the rug, it is the fed. >> is it fair to say you won't give me legal authority? >> we've said we plan to give them to you. as soon as we're able to do so and not compromise an open criminal investigation. >> compromising -- >> we want to see this investigation succeed. >> do you. let's talk about that. >>> the fed chair could face more of the same tomorrow in front of the senate banking committee. it has already moved legislation calling for a complete overall of the fed. >>> still ahead, the one type of kimes that some investors don't want to buy into. >>> the house of representatives easily passed a five-month extension of the highway trust fund. that bill would authorize federal spending on highway and rail projects through mid december. and add more than $8 billion to the dwindling fund. the senate bill chill under negotiation could extend the program for two years. several stocks rose today after activist investors spoke about them at cnbc's delivery