the analysis of cross-correlations is extensively applied for understanding of interconnections in stock markets. variety of methods are used in order to search stock cross-correlations including the random matrix theory (rmt), the principal component analysis (pca) and the hierachical ‎structures.‎ in ‎this work‎, we analyze cross-crrelations between price fluctuations of 20 ‎company ‎stocks‎‎...

Islamic securities (Sukuk) are hybrid securities bearing features of stocks and bonds, altogether. Similar to stocks, they indicate a type of partnership and holders of Sukuk will be considered as the owners of underlying asset or project for finance of which, Sukuk have been issued. Theoretically, these holders share any loss and profit resulted from underlying asset. However, these securities...

This study extends from Liu and Mei (1992) by further investigation of assets, real estate related securities, which includes both equity and mortgage real estate investment trusts (REITs), the stocks of builderand owner-companies, and mortgagebacked securities (MBSs). There are five major findings. First, expected excess returns of real estate related securities are more predictable than the e...

We examine whether short sellers predominantly target stocks with recent price declines, amplifying the price decline and resulting in prices falling below fundamental values, or target apparently overpriced stocks facilitating prices that reflect fundamental values. We find evidence of short-sellers holding significant positions in stocks following price declines, and of short-sellers increasi...

A number of articles have explored analysts' earnings estimates, analysts' forecasting ability and the reaction of stock prices to earnings announcements. The concern of this paper is the group of stocks whose earnings announcements constitute positive "earnings surprise" given a consensus of analysts' expected earnings. The consensus derives from a twenty quarter, seasonally adjusted earnings ...