After months of turbulence, Intel Corp bulls are finally being rewarded for their patience. But the stock’s sudden rebound comes with a worrying side effect: a valuation so high its most recent precedent is from the dotcom era more than two decades ago. Shares of the struggling chipmaker have rallied 28 per cent this month, adding about US$24 billion in market value, on reports that the US government is in talks for a potential equity stake, as well as plans for a US$2 billion investment from...