Ero Copper is trading 4.08% down at $35.16 after Scotiabank downgraded it to Sector Perform from Outperform. - Scotiabank made the downgrade on October 13, citing the sharesβ strong recent relative outperformance, and maintained its C$55 price target. - During the open session, the S&P 500 was down 0.61% and the Nasdaq Composite was down 0.84%.