In one of the most chaotic market sessions of the year, the S&P500 went from a 52-week high to a 10-day low in a few hours. Here's why.

- Market session on Thursday was chaotic and unexpected - Initial gap-up open due to speculation on weak job market triggering Fed rate cut - Fed member's hawkish comments also affected market - News of possible drone attack in Israel caused oil spike and market sell-off - S&P 500 went from 52-week high to 10-day low - Market uncertainty and volatility spiked - Jobs report on Friday could accelerate a correction anticipated for months.