The location in the city where the stocks ritual takes place is the stock market. Just think of what happens in a stock market... the stock ritual, where people buy and sell stocks. And, of course, this is located in the city.
The readings are all readings you've seen before - either from other words or from the kanji. Go through each kanji here and figure out which is which and try to remember. Just think of Joe (場) the stock broker for the last kanji.
The global slowdown has significantly affected our stock market, as well.