
EC · NYSE
EC rose 3.03%, from $15.83 to $16.31 over the supplied week. Trading was sharply positive at first: it advanced to $16.40 on July 29 and $17.04 on July 30, a $1.21 increase from the starting close. It then reversed, slipping to $16.77 on July 31 and $16.60 on August 3 before ending at $16.31 on August 4; thus it gave back $0.73, or roughly 60%, of the early advance from the $17.04 peak. The supplied evidence identifies no company-specific catalyst during those sessions, and it provides no market-level explanation. Zacks added EC to its Strong Sell list on August 5, after the reported closing period, so that action cannot explain the weekly move.