The S&P 500 Financials sector has reached a new all-time high, driven by significant gains in Fair Isaac Corporation (FICO). As of October 7, FICO has seen a remarkable run, with its stock price consistently hitting new highs. The company's trailing PE ratio has expanded by 357% over the last decade. Additionally, FICO's TTM EV/EBITDA has increased from 9.6x in 2012 to 68.4x. Investors are now debating whether to hold or sell FICO shares, given its impressive performance as of October 8.