Shares of leading fertility benefits manager Progyny (PGNY -19.09%) were down 19% as of 4 p.m. ET on Wednesday, according to data provided by S&P Global Market Intelligence.The upstart healthcare company reported its results for the third quarter yesterday, missing analysts' expectations on the top line, delivering only 2% growth during the third quarter. Making matters worse, Progyny didn't assuage the market's fears by guiding for Q4 sales growth of only 1.5% at the midpoint, prompting many Wall Street ex ...