Marko Kolanovic, the former chief strategist at JPMorgan, has made a notable return to financial commentary, predicting a potential downturn for the S&P 500. In a recent discussion, he suggested that the index could fall by as much as 1,000 points. Kolanovic, who has previously been known for his bearish outlook, appeared on the 'Odd Lots' podcast to share his insights on market trends and the potential for further declines in stock prices. His predictions have garnered attention, particularly in light of ongoing volatility in U.S. markets.