Citigroup raised its price target on MongoDB Inc (NASDAQ:MDB) stock to $550 from$515, ahead of the software company's fourth-quarter earnings report, which is due out after the market close tomorrow. Shares are up 2.2% at $413.83 at last check, and are bouncing off the 100-day moving average after a pullback from their Feb. 9, two-year peak of$509.63. In the last 12 months, MDB added 84.8%. The brokerage bunch is bullish, with 22 of the 27 firms in question calling the security a "buy" or better. Echoing ...