Delta could take a $500 million hit to its bottom line this quarter because of the global Crowdstrike outage last week, according to a Wall Street analyst.Stephen Trent, a Citi Research airline analyst, cut his profit forecast for the Atlanta-based airline’s third quarter by more than $500 million because of the meltdown, which has continued to spark flight delays and cancelations this week.Citigroup cut estimates for Delta’s third-quarter earnings per share by 60 cents a share to $1.37 a share, citing “ope ...