Qualcomm nevertheless described pow-wow as "constructive"
Do we need to buy a hat?
Chipmaker claims $121bn offer 'materially undervalues' the firm
Chipping away with record-breaking offers could yield a taciturn yes to buyout bids
Says deal 'raises significant regulatory and national security risks'
Qualcomm slams move as 'blatant' move by Broadcom to advance its agenda
But offer could increase to $90 per share
Firm sees the offer as as 'too low and fraught with regulatory risks'