According to @StockMKTNewz, the S&P 500 has set multiple all-time high closes in certain years since 1990, with standout years like 1995 (77 times), 2017 (62 times), and 2014 (53 times). Periods such as 2001-2006 and 2008-2012 saw no new highs, highlighting market cycles. For cryptocurrency traders, these equity market highs often correlate with increased risk appetite and liquidity, influencing capital flows into digital assets like BTC and ETH (source: @StockMKTNewz).