Starting today, the margin freeze is in effect in Hungary. Here's what you need to know about this restriction.

Tesco PLC (LON:TSCO – Get Free Report) dropped 8.7% on Saturday . The company traded as low as GBX 337.87 ($4.37) and last traded at GBX 339.20 ($4.38). Approximately 32,628,854 shares changed hands ...