The FTSE 100 has rebounded from a low of 8,070, approaching resistance at 8,258 and the 55-day SMA at 8,273, with potential upside to 8,326 if surpassed. Meanwhile, the NASDAQ 100 is nearing its late October peak of 20,652 after a strong recovery from 19,877, while the S&P 500 has reached new all-time highs above 5,882, targeting the psychological 6,000 mark next.