NetScout Systems (NASDAQ:NTCT) affirms FY2027 Adj EPS guidance from $2.65-$2.80 to $2.65-$2.80 vs $2.72 analyst estimate. Affirms FY2027 sales outlook from $885.000 million-$915.000 million to $885.000 million-$915.000 million vs $902.430 million estimate.