NuScale Power (SMR) shares were down more than 13% in afternoon trading on Friday after UBS downgraded the company's stock to sell from neutral and adjusted the price target to $6 from $10.
Trading volume stood at over 70.3 million shares against a daily average of about 31.8 million.
Price: $8.86, Change: $-1.35, Percent Change: -13.22%