Andy Yeh Alpha

After its flagship iPhone X launch, Apple reports its highest quarterly sales revenue over $80 billion in the tech titan's 41-year history. Apple expect

The heuristic rule of *accumulative advantage* suggests that a small fraction of the population enjoys a large proportion of both capital and wealth creatio

Is higher stock market concentration good or bad for Corporate America? In recent years, S&P 500 stock market returns exhibit spectacular concentrati

The Trump administration postpones increasing 25% to 30% tariffs on $250 billion Chinese imports after China extends an olive branch to de-escalate Sino-Ame

Value investment strategies make investors wiser like water with core fundamental factor analysis. Value investors tend to buy stocks below their intrinsic

Corporate investment management  This review of corporate investment literature focuses on some recent empirical studies of M&A, capital investm