S&P 500 nuclear component Constellation Energy (CEG) on Friday reported worse-than-expected third-quarter profit and narrowed its full-year earnings guidance. CEG stock fell solidly early before advancing in Friday’s market. Constellation Energy reported Q3 earnings growing nearly 11% to $3.04 per share while revenue totaled $6.57 billion, running basically flat vs. a year earlier. Prior to the release, analysts expected Q3…