AFR: Ghosts of dotcom boom in tech valuations Ghosts of dotcom boom in tech valuations“The maths tells us in aggregate there will be considerable disappointment. But also, like 1999, the more interesting thing is the opportunity in companies that are not part of the mania. In 1999, the sectors being shunned were labelled the old economy. Today the shunned sectors include emerging markets and cyclical stocks,” Isles says.