Greek Stock Market: How Shares Plunged Once It Re-Opened

A chart shows how investors reacted after a five-week hiatus.

The main Athens stock index opened down more than 22 percent this morning, with banks and manufacturing stocks taking a major hit. It closed more than 16 percent lower.

The Greek government closed its stock market and banks on June 29, along with citizen cash withdrawal limits, during tense discussions about whether Greece would default on its debts and leave the euro zone.