Part 5 Mergers and stock market

About Pocket Train Game, from BoardGameGeek:

Pocket Train Game is a super compact, short 18XX style train game which still delivers a rich train game experience. Starting companies, running trains, companies owning companies, mergers, train rush, stock trashing, takeovers, special abilities and more. Players invest in railroad companies and expand the railroad network by building and upgrading tiles with track and establish train stations. Build train stations and run trains between them with people and goods generate money to the company shareholders. The game lasts seven game rounds and the player with highest combined wealth in money and shares at the end of the seven rounds wins. -description from the designer