BlackRock, Inc. (NYSE:BLK) will release earnings for the fourth quarter before the opening bell on Thursday, Jan. 15.Analysts expect the New York-based company to report fourth-quarter earnings of $12.3 per share. That's up from$11.93 per share in the year-ago period. The consensus estimate for BlackRock's quarterly revenue is $6.75 billion (it reported$5.68 billion last year), according to Benzinga Pro.BlackRock is trimming about 1% of staff, Bloomberg reported.Shares of BlackRock rose 0.1% to close at $ ...