That's an excellent question, especially looking into factors that affect the return-generating process in the stock market-in other words, factors that affect the stock prices in a conventional sense: Market liquidity, length of the daily fasting period, especially contrasting summer months with winter months when Ramadan coincides with one versus the other, with the length of day being really longer during summer months.

VOA: standard.2010.08.05

Hematopoiesis is the process of generating new blood cells.

造血作用就是生成新的血细胞的过程

耶鲁公开课 - 生物医学工程探索课程节选