Bracing for Nvidia, when size matters
1. Nvidia's earnings results are due soon, influencing ETF trading. 2. Stock price up 35% this year, major movement expected. 3. Nvidia is the largest stock in S&P 500 indices. 4. Earnings per share expected at $1, 47% year-on-year increase. 5. Market cap exceeds $4.4 trillion, significant global economic impact.