Diageo Essay

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1. Company Background

The company chosen for the analysis of the EMH is one of the leading businesses in the brewery and distillery industry; the selected company is Diageo.

Figure 1: Diageo company logo (Diageo, 2017)

Diageo comes into the mind when one talks about the global leader in beverage alcohol, owning a variety of popular brands including Guinness, Johnny Walker, and Smirnoff, etc. Diageo is a listed company on both the London Stock Exchange (LSE) & the New York Stock Exchange (NYSE) and its products sold in more than 180 countries across the globe. In the mature markets, mainly in North America & Western Europe, Diageo has built scale and a strong presence in these markets due to its very popular beverage brands. In the new, …show more content…

The headquarters of Diageo’s global operation located in London, United Kingdom (Diageo, 2013).

Table 1: Diageo share prices in LSE from Jan 01, 2015 to Dec 31, 2016

Diageo is a listed company on the London Stock Exchange since 1952, The share prices of Diageo fluctuated in past two years, and the share price of Diageo closed on 2,110 on December 31, 2016.
2. Efficient Market Hypothesis

Efficient Market Hypothesis (EMH) is a financial economics theory that was first developed by Prof. Eugene Fama in the 1970’s. According to Fama (1970), an efficient market is one in which prices ‘fully reflect' all the available information. There are three forms of market efficiency – strong, semi-strong and weak. The weak-form relies on historical data, and current prices only reflect previous prices of the information. Semi-strong EMH implies that prices reflect all publicly available information. The Strong-form indicates that current prices reflect all information potentially known by anyone including insider access or monopolistic access to information. The strong-form incorporates the weak-form EMH and the semi-strong form EMH (Investopedia,

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