Mystery trains skid to a halt

Glossary of difficult words

to skid - (of a vehicle) to slide on slippery ground or as a result of stopping or turning too quickly;

to get to the bottom of something - to find an explanation (for a mystery);

rolling stock - locomotives, carriages, wagons or other vehicles used on a railroad;

DP Praha - Dopravní podnik Praha, the Prague transit company;

beneficial owner - the ultimate owner of a security;

to outsell - to be sold in greater quantities than;

Jack Welch - former CEO of General Electric.