When Google parent Alphabet Inc. reports its fourth-quarter results Tuesday, analysts and investors expect a bountiful haul in advertising revenue.Here what analysts are looking for ahead of Alphabet’s GOOG, -0.73% GOOGL, -0.79% report, which is due out after the closing bell. What to expect Earnings: Analysts tracked by FactSet on average expect Alphabet to report earnings of $1.59 a share, compared with$1.05 a share a year ago. Revenue: Analysts on average expect Alphabet to report $85.3 billion in tota ...