Fair Isaac (NYSE:FICO) stock dropped big on Wednesday - more than 15%. In fact, the stock has plummeted almost 23% in the last two days and is down about 30% from its highs in December, about 6 months ago. It was trading at about $1,704 per share at the end of market close yesterday.Could it drop lower - another 25-30$1,000 levels?Well, here’s the concern - even at $1,704 per share the stock isn’t cheap. It trades at close to 60x last twelve months’ cash flow. Not 16 times, rather 60 ti ...