Weekly Report: what happened at SIXM last week (0318-0322)?

Last week SIXM had an overall gain of 1.73%, the stock price moved from 502.43 to 511.10, last week's high was 518.60, the low was 500.85, and the cumulative volume was 0.

● SIXM reached a 52-week high last week on 22 March, quoting 511.10.