Silver Wheaton (SLW +2.1%) shoots higher at the open after last night's Q4 report said earnings hit a record $0.50/share vs. $0.41 a year earlier and revenue also set a record at $287M. Attributable silver equivalent output rose 22% to 8.5M oz. Average cash costs rose to $4.70 per silver equivalent oz. from $4.06 a year ago.