CNBC Daily Open: Amazon's projected capex dwarfs that of its peers — which have already spooked markets

Group 1: Company Performance - Amazon's shares fell over 11% in extended trading after reporting fourth-quarter earnings that missed expectations [1] - The company's capital expenditure projection for the upcoming year is $200 billion, significantly higher than analysts' estimates of $146.6 billion and up from approximately $131 billion in 2025 [2] Group 2: Market Reaction - The increase in capital expenditures and concerns about AI diminishing the value of software firms led to a tech sell-off, with the Nasdaq Composite dropping 1.59% and the S&P 500 declining 1.23% [3] - The Dow Jones Industrial Average also retreated by 1.2%, reflecting broader market pressures [3]