New high for Colorado's pot industry.

• Position: DRAWING CONCLUSIONS

Colorado's monthly marijuana sales surpassed $100 million for the first time in August--$59.2 million from recreational retailers and $41.4 million from medical dispensaries - but managing that cash remains a challenge for those in the business.

According to the U.S. Treasury Department, only 220 of the nation's 7,600 banks and credit unions accept money from these businesses because marijuana remains illegal...