Wall Street analysts expect Cisco Systems (CSCO) to post quarterly earnings of $0.84 per share in its upcoming report, which indicates a year-over-year decline of 4.6$12.72 billion, down 6.4% from the year-ago quarter.The current level reflects a downward revision of 0.6% in the consensus EPS estimate for the quarter over the past 30 days. This demonstrates how the analysts covering the stock have collectively reappraised their initial projections over this period.Before a com ...