Stock market today: S&P 500, Nasdaq poised to add to tech sell-off as Google sinks, Amazon looms, silver tanks

Market Overview - US stock futures declined as investors reacted to a two-day tech sell-off, with S&P 500 futures down approximately 0.6% and Nasdaq 100 futures down about 0.9% [1] - The market is experiencing a significant tech wipeout, with concerns about AI disruption affecting software stocks [2] Corporate Earnings and Forecasts - Alphabet announced a substantial increase in AI investment, projecting capital expenditures of up to $185 billion, which negatively impacted its stock [3] - Amazon's quarterly report is anticipated, with expectations of a 21% increase in sales from its AWS cloud unit [3] - Qualcomm reported a 5% year-over-year revenue increase to $12.3 billion and earnings per share of $2.78, but its outlook for the second quarter is weaker due to a memory chip shortage [28][29] - Nio expects to report its first-ever profit in Q4, projecting an adjusted profit from operations between 200 million yuan (approximately $29 million) and 700 million yuan (approximately $100 million) [6][7] Stock Movements - Estée Lauder shares fell 10% despite beating earnings estimates due to tariff concerns [8] - Snap's stock rose 6% after reporting Q4 revenue of $1.71 billion, exceeding Wall Street estimates [13] - E.l.f. Beauty's stock increased by as much as 8% after raising its full-year sales outlook to between $1.6 billion and $1.61 billion [16][17] - Baidu's US-listed shares rose 5% following the announcement of a dividend and a $5 billion stock buyback program [10] Commodities and Cryptocurrencies - Silver prices plunged by as much as 17%, erasing previous gains, as market sentiment turned negative [4][24] - Bitcoin fell below $70,000 after Treasury Secretary Scott Bessent ruled out a government bailout for cryptocurrencies [5][12] Industry Trends - Broadcom's stock rose 5% following Alphabet's announcement of increased capital expenditures, which is expected to benefit companies involved in AI infrastructure [21][22] - The overall sentiment in the market appears to be dampened, affecting various asset classes including precious metals and equities [25]