
TECK · NYSE
Teck Resources rose $6.11, or 10.42%, from $58.63 to $64.74 over the supplied trading window. The stock initially fell $1.15 on July 29, then surged $5.01 on July 30 on volume of 4.55 million shares, before giving back $2.25 on July 31. It was essentially flat on August 3, closing at $60.20, then advanced $4.54 on August 4, with volume recovering to 4.53 million shares. The evidence supplied does not identify a company-specific announcement, earnings release, contract, executive comment, or other catalyst behind the reversal and acceleration. It also provides no broader market or commodity-price context, so the week is best characterized as a sharp, unexplained advance with material interim volatility.