Wall Street is poised to wrap another week of gains, with the S&P 500 index surpassing the 5,000 mark and the Nasdaq approaching 18,000 points. For the two indices, this marks the fifth consecutive week in the green, the 14th positive week out of the last 15, indicative of the impressive rally fueled by optimism surrounding artificial intelligence. Shares of NVIDIA Corp. (NASDAQ:NVDA) are already up nearly 50% since the beginning of the year, with the semiconductor giant surpassing the $1.8-trillion market capitalization mark. Overall, the Magnificent Seven rose to a combined market cap of $13…