Technicals are turning bearish in the semiconductor names, says Nate Peterson with Charles Schwab. He has his eyes on Marvell's (MRVL) earnings after the close, which he sees as a potential bellwether for the sector's direction. Nate also shares worries of a "sell the news" situation once the U.S. and Iran reach a peace agreement. On the macro front, Mike Townsend breaks down the state of the midterm elections and explains why the GOP agenda can "turn sideways."