Weekly Report: what happened at MCRB last week (0817-0821)?

Last week MCRB had an overall gain of 0.22%, the stock price moved from 4.55 to 4.56, last week's high was 4.74, the low was 4.3150, and the cumulative volume was 320.79K.

● MCRB reached a 52-week down last week on 21 August, quoting 4.56.