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...

This paper examines stock market reaction to the earnings announcements by taking December 2001 quarter earnings announcement as an event. The study is based on 152 companies having minimum 20 percent foreign holdings. The companies are divided into, good news, bad news and overall portfolios....

Speed of stock price response is important because if response is slow, the informed and alert investors would exploit it to earn abnormal returns by outperforming the market. This implies that market is inefficient in the semi-strong form. The study tests the reaction Indian stock market...

This paper examines semi-strong form of efficient market hypothesis by taking September 2001 quarter earnings announcement as an event. The study is based on 146 companies having minimum 20 percent foreign holdings. We have used event study methodology, t test, Runs test and sign test to test...

The study tests the reaction of Bahrain Bourse to 2014 annual financial results announcement. The study is based on 30 companies. The researcher used event study methodology. The behaviour of average abnormal returns (AARs) and cumulative average abnormal returns (CAARs) are examined for 30 days...

This study examines whether the Indian stock market is efficient in semi-strong form and seasonality exists. For this purpose, we take the first and fourth quarters‟ results of companies for the years 2008 to 2011. We divide companies into good news and bad news portfolios on the basis of...

This paper presents the review of theoretical literature on the effects of macroeconomic news announcements and order flow on exchange rates. It presents how foreign exchange market reacts to macroeconomic news announcements? How information (both public and private) is incorporated into...

This paper studies informed trading about U.S. payrolls in the foreign exchange (FX) futures market. I find that speculators such as hedge funds are more likely to be sellers than buyers of FX futures ahead of good U.S. payroll news and thus appear to have earned significant gains around payroll...

This paper applies a nonparametric method based on realized and bipower variations calculated from intraday data to identify jumps in daily futures prices of crude oil, heating oil and natural gas contracts traded on the New York Mercantile Exchange. The sample period of our intraday data covers...

We apply nonparametric statistical procedures to extract jumps around scheduled macroeconomic news in U.S. Treasury bond, U.S. Treasury note and Eurodollar futures prices from 2001 to 2004. Volatility and trading activity during announcement days with jumps versus no jumps are also analyzed with...