The stock market’s robust performance in the first quarter of 2024 has investors on edge, with experts predicting a potentially “frightful yet fulfilling” year-end. What Happened: The S&P 500 is on course for a nearly 10% price gain in the first quarter, with a staggering 30% rally from its Oct. 27 low, reported MarketWatch on Monday. This remarkable start has prompted investors and strategists to consider potential warning signs and protective measures against an anticipated market correction. Citing data from 1970, analysts at Jefferies observed that such strong beginnings often indicate a c…