Focusing on the foreign exchange reaction to macroeconomic announcements, we show that fast trading is positively and significantly correlated with the entropy of the distribution of quoted prices in reaction to news: a larger share of fast trading increases the degree of diversity of quotes in...

In this study, we used event study methodology to examine stock price reactions to quarterly earnings announcement. The study is based on a sample of 146 companies listed on Bombay Stock Exchange and December 2000 quarterly earnings announcements are taken event. The abnormal performance is...

In this study, we test a set of country macro sentiment indexes that measure the trailing sentiment on both scheduled and unscheduled economic and geopolitical news events. We develop a cross-over strategy in the FX market based on short to long-term news sentiment inflection points covering the...

The efficient-market hypothesis (EMH) is one of the most important economic and financial hypotheses that have been tested over the past century. Due to many abnormal phenomena and conflicting evidence, otherwise known as anomalies against EMH, some academics have questioned whether EMH is...

We use a unique database, collected by aggregating analysts' reports on the Tunisian Stock Exchange. We study the price impact and the excess returns following analysts' recommendations. Results are qualitatively in line with the literature. However, although often significant, the results are...

Market efficiency is examined in three forms: weak form, semi-strong form and strong form and each one deals with a different source of information. 1. Weak form efficient market - the prices of securities fully reflect all historical information and no excess returns can be earned by utilising...