Nvidia experienced a significant downturn on Thursday which had a negative impact on chip and AI stocks. Despite this, the S&P 500 managed to maintain crucial support levels in a session that reflected a mixture of outcomes. Dow Jones Futures also saw a decline, with Nvidia playing a significant role in the drop observed in AI stocks. However, the S&P 500's ability to retain key support levels highlighted a certain level of stability amidst the fluctuations in the market.