Citigroup reported ahead of open today which indicates it hoped that the market open would inspire buying of its shares of stock. HFTs are set to trigger on earnings news. How it might gap depends on the algorithm focus, retail crowd reactions, retail broker expectations, and the triggers set ahead of open. C has the same negative divergence as AAPL has on the weak “rally run” up after bouncing off of technical support levels best seen on a weekly chart. Today’s chart is a daily chart to show that the run is weak and poised for a potential gap.