$Serve Robotics (SERV.US)$
Trading Summary and Strategy** 
Initial Transactions:
- 30 Nov: Purchased 600 shares at $8.70. 
- 9 Dec: Sold 600 shares at $14, realizing a significant gain. 
Reinvestment and Additional Trades:
- 12 Dec: Reinvested the initial capital and profits to purchase 725 shares at $11.50. 
- 16 Dec: Sold 725 shares at $17, further increasing returns. 
- 18 Dec: Acquired 850 shares at $14.30, with a ...

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What ETFs track the S & P 500 index?
When considering index investment strategies, especially for large-cap stocks in the U.S. stock market, Exchange-Traded Funds (ETFs) that track the Standard & Poor's 500 Index (S&P 500 Index) are a popular choice among many investors.
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