cadence design systems inc cdns shares fell in the extended session monday after the software company topped street expectations for the past quarter but isn’t expected to for the current one cadence shares declined 5 after hours following a less than 01 decline in the regular session to close at 21298 the company reported firstquarter net income of 179 million or 89 cents a share compared with 2353 million or 85 cents a share in the yearago period adjusted earnings which exclude stockbased compensation expenses and other items were 129 a share compared with 117 a share in the yearago period